Registration Dossier
Registration Dossier
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EC number: 203-501-4 | CAS number: 107-55-1
Guidance on Safe Use
Guidance on Safe Use
Administrative data
First-aid measures
If exposure has occurred, do not wait for symptoms to develop, but immediately start the procedures described below. Immediately remove the exposed person from the area where the product is present.
When inhaled: If experiencing any discomfort, immediately remove from exposure. Light cases: Keep person under surveillance. Get medical attention immediately if symptoms develop. Serious cases: Get medical attention immediately or call for an ambulance. If breathing has stopped, immediately start artificial respiration and maintain until a physician takes charge of the exposed person.
When skin contact: Immediately flush with water while removing contaminated clothing and footwear. Wash with water and soap. See physician immediately if irritation develops.
When eye contact: Immediately rinse eyes with much water or eyewash solution, occasionally opening eyelids, until no evidence of chemical remains. Remove contact lenses after a few minutes and rinse again. See physician immediately.
By ingestion: Let the exposed person rinse mouth and let him/her drink several glasses of water or milk, but do not induce vomiting. If vomiting does occur, let him/her rinse mouth and drink fluids again. Never give anything by mouth to an unconscious person. Make the exposed person lie down and keep him/her steady. Get medical attention immediately.
The substance causes irritation/burns to eyes, skin and airways.
Call a doctor (physician), clinic or hospital immediately in case of eye contact or ingestion. Describe the condition of the exposed person and the extent of exposure. It may be helpful to show this safety data sheet to physician. Irritated skin should be treated as usual against effects of acids or acid fumes. In case lungs are affected watch for pulmonary oedema. Probable mucosal damage may contraindicate the use of gastric lavage.
When inhaled: If experiencing any discomfort, immediately remove from exposure. Light cases: Keep person under surveillance. Get medical attention immediately if symptoms develop. Serious cases: Get medical attention immediately or call for an ambulance. If breathing has stopped, immediately start artificial respiration and maintain until a physician takes charge of the exposed person.
When skin contact: Immediately flush with water while removing contaminated clothing and footwear. Wash with water and soap. See physician immediately if irritation develops.
When eye contact: Immediately rinse eyes with much water or eyewash solution, occasionally opening eyelids, until no evidence of chemical remains. Remove contact lenses after a few minutes and rinse again. See physician immediately.
By ingestion: Let the exposed person rinse mouth and let him/her drink several glasses of water or milk, but do not induce vomiting. If vomiting does occur, let him/her rinse mouth and drink fluids again. Never give anything by mouth to an unconscious person. Make the exposed person lie down and keep him/her steady. Get medical attention immediately.
The substance causes irritation/burns to eyes, skin and airways.
Call a doctor (physician), clinic or hospital immediately in case of eye contact or ingestion. Describe the condition of the exposed person and the extent of exposure. It may be helpful to show this safety data sheet to physician. Irritated skin should be treated as usual against effects of acids or acid fumes. In case lungs are affected watch for pulmonary oedema. Probable mucosal damage may contraindicate the use of gastric lavage.
Fire-fighting measures
Extinguishing media and procedure: Dry chemical or carbon dioxide for small fires, water spray or foam for large fires. Use water spray to keep fire-exposed containers cool. Approach fire from upwind to avoid hazardous vapours and toxic decomposition products. Fight fire from protected location or maximum possible distance. Avoid heavy hose streams. Dike area to prevent water runoff. Firemen should wear self-contained breathing apparatus and protective clothing.
SBP-1 will decompose when heated under formation of toxic and flammable gasses, e.g. hydrogen sulphide. The development of gasses may happen so fast that explosion of containers and drums may occure.
Hazardous decomposition in a fire:
The essential breakdown products are volatile, toxic, malodorous, irritant and inflammable compounds such as hydrogen sulphide, sulphur dioxide, methyl mercaptan, dimethyl sulphide, phosphorus pentoxide, carbon monoxide and carbon dioxide.
SBP-1 will decompose when heated under formation of toxic and flammable gasses, e.g. hydrogen sulphide. The development of gasses may happen so fast that explosion of containers and drums may occure.
Hazardous decomposition in a fire:
The essential breakdown products are volatile, toxic, malodorous, irritant and inflammable compounds such as hydrogen sulphide, sulphur dioxide, methyl mercaptan, dimethyl sulphide, phosphorus pentoxide, carbon monoxide and carbon dioxide.
Accidental release measures
Personal protection:
Observe all personal protection and safety precautions. Depending on the magnitude of the spill, this may mean wearing respirator, face shield or eye protection, chemical resistant clothing, gloves and boots when cleaning up spills. Personal exposure by splashing must be avoided.
Steps to be taken in case of spill:
It is recommended to have a predetermined plan for the handling of spills. Empty, closable vessels (not metal) for the collection of spills should be available. Stop the source of the spill immediately if safe to do so. Contain the spill to prevent any further contamination of surface, soil or water. Remove sources of ignition.
Cleaning method :
Spills on the floor or other impervious surface should be absorbed onto an absorptive material such as universal binder, hydrated lime, Fuller’s earth or other absorbent clays. Collect the contaminated absorbent in suitable containers. Rinse area with soda lye and much water. Absorb wash liquid with absorbent and transfer to suitable containers. Wash waters must be prevented from entering surface water drains. Large spills which soak into the ground should be dug up and transferred to suitable containers. Spills in water should be contained as much as possible by isolation of the contaminated water. The contaminated water must be collected and removed for treatment or disposal. Uncontrolled discharge into water courses must be alerted to the appropriate regulatory body.
Disposal:
The used containers should be properly closed and labelled.
Observe all personal protection and safety precautions. Depending on the magnitude of the spill, this may mean wearing respirator, face shield or eye protection, chemical resistant clothing, gloves and boots when cleaning up spills. Personal exposure by splashing must be avoided.
Steps to be taken in case of spill:
It is recommended to have a predetermined plan for the handling of spills. Empty, closable vessels (not metal) for the collection of spills should be available. Stop the source of the spill immediately if safe to do so. Contain the spill to prevent any further contamination of surface, soil or water. Remove sources of ignition.
Cleaning method :
Spills on the floor or other impervious surface should be absorbed onto an absorptive material such as universal binder, hydrated lime, Fuller’s earth or other absorbent clays. Collect the contaminated absorbent in suitable containers. Rinse area with soda lye and much water. Absorb wash liquid with absorbent and transfer to suitable containers. Wash waters must be prevented from entering surface water drains. Large spills which soak into the ground should be dug up and transferred to suitable containers. Spills in water should be contained as much as possible by isolation of the contaminated water. The contaminated water must be collected and removed for treatment or disposal. Uncontrolled discharge into water courses must be alerted to the appropriate regulatory body.
Disposal:
The used containers should be properly closed and labelled.
Handling and storage
Precautions to be taken in handling:
In an industrial environment it is recommended to avoid all personal contact with the product, if possible by using closed systems with remote system control. Otherwise the material should be handled by mechanical means as much as possible. Adequate ventilation or local exhaust ventilation is required. The exhaust gases should be filtered or treated otherwise. Splashing and the formation of aerosol or mist must be avoided.
Avoid contact with eyes, skin or clothing. Avoid breathing vapour and avoid exposure of eyes to vapour as well.
Precautions to be taken in storing :
SBP-1 is of limited stability, but when stored in coated, unopened drums at temperatures not exceeding 25°C, the decomposition is slow. Like other acids SBP-1 will corrode iron. Corrosion of iron is further activated by the presence of water. Storage should therefore take place in unopened drums or in properly protected tanks (e.g. lined with glass, polypropylene, epoxy or phenolic resin) in an inert gas atmosphere (e.g. nitrogen). If free from moisture, tanks of acid-resistant steel, such as 316 or V4A, can also be employed. Storage at temperatures not exceeding 15°C is recommended. Cooling facilities may be necessary. Furthermore, it is recommended to use up the product as soon as possible. SBP-1 should never be heated above 40°C and also local heating above this temperature should be avoided. Protect against strong heat from sunshine or other source, e.g. fire. Specific use : Intermediate for chemical manufacturing. Fire and explosion precautions: Heating above 40°C may only take place in connection with further processing of SBP-1 and then only temporarily and under controlled conditions.
In an industrial environment it is recommended to avoid all personal contact with the product, if possible by using closed systems with remote system control. Otherwise the material should be handled by mechanical means as much as possible. Adequate ventilation or local exhaust ventilation is required. The exhaust gases should be filtered or treated otherwise. Splashing and the formation of aerosol or mist must be avoided.
Avoid contact with eyes, skin or clothing. Avoid breathing vapour and avoid exposure of eyes to vapour as well.
Precautions to be taken in storing :
SBP-1 is of limited stability, but when stored in coated, unopened drums at temperatures not exceeding 25°C, the decomposition is slow. Like other acids SBP-1 will corrode iron. Corrosion of iron is further activated by the presence of water. Storage should therefore take place in unopened drums or in properly protected tanks (e.g. lined with glass, polypropylene, epoxy or phenolic resin) in an inert gas atmosphere (e.g. nitrogen). If free from moisture, tanks of acid-resistant steel, such as 316 or V4A, can also be employed. Storage at temperatures not exceeding 15°C is recommended. Cooling facilities may be necessary. Furthermore, it is recommended to use up the product as soon as possible. SBP-1 should never be heated above 40°C and also local heating above this temperature should be avoided. Protect against strong heat from sunshine or other source, e.g. fire. Specific use : Intermediate for chemical manufacturing. Fire and explosion precautions: Heating above 40°C may only take place in connection with further processing of SBP-1 and then only temporarily and under controlled conditions.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Personal exposure limits: To our knowledge, no exposure limits have been established for this compound. However, exposure limits defined by local regulations may exist and must be observed.
Exposure controls: When used in a closed system, personal protection equipment will not be required. The following is meant for other situations, when the use of a closed system is not possible, or when it is necessary to open the system. Consider the need to render equipment or piping systems non-hazardous before opening. Avoid and reduce mist formation as much as possible.
Avoid contact with eyes, skin or clothing. Avoid breathing vapour and avoid exposure of eyes to vapour as well.
Respiratory protection: Inhalation of vapours must be avoided, preferentially by mechanical means. If protection of workers by mechanical means is not possible, a face mask or officially approved respiratory protection equipment with a combination filter type against acids and including particle filter must be used.
Protective gloves: Wear chemical resistant gloves, such as barrier laminate, butyl rubber or nitrile rubber. The breakthrough times of these materials for this product are unknown. Generally, however, the use of protective gloves will give only partial protection against dermal exposure. Small tears in the gloves and cross-contamination can easily occur. It is recommended to shift the gloves frequently and to limit the work to be done manually. Before removing gloves, wash them with water and soap.
Eye protection: Wear face mask rather than safety glasses or goggles. It is recommended to have an eye wash fountain immediately available in the workplace when there is a potential for eye contact.
Other skin protection: Wear appropriate chemical resistant clothing to prevent skin contact depending on the extent of exposure. During most normal work situations where exposure to the material cannot be avoided for a limited time-span, waterproof pants and apron of chemical resistant material or coveralls of PE will be sufficient. Coveralls of PE must be discarded after use if contaminated. In cases of appreciable or prolonged exposure, coveralls of barrier laminate may be required.
Exposure controls: When used in a closed system, personal protection equipment will not be required. The following is meant for other situations, when the use of a closed system is not possible, or when it is necessary to open the system. Consider the need to render equipment or piping systems non-hazardous before opening. Avoid and reduce mist formation as much as possible.
Avoid contact with eyes, skin or clothing. Avoid breathing vapour and avoid exposure of eyes to vapour as well.
Respiratory protection: Inhalation of vapours must be avoided, preferentially by mechanical means. If protection of workers by mechanical means is not possible, a face mask or officially approved respiratory protection equipment with a combination filter type against acids and including particle filter must be used.
Protective gloves: Wear chemical resistant gloves, such as barrier laminate, butyl rubber or nitrile rubber. The breakthrough times of these materials for this product are unknown. Generally, however, the use of protective gloves will give only partial protection against dermal exposure. Small tears in the gloves and cross-contamination can easily occur. It is recommended to shift the gloves frequently and to limit the work to be done manually. Before removing gloves, wash them with water and soap.
Eye protection: Wear face mask rather than safety glasses or goggles. It is recommended to have an eye wash fountain immediately available in the workplace when there is a potential for eye contact.
Other skin protection: Wear appropriate chemical resistant clothing to prevent skin contact depending on the extent of exposure. During most normal work situations where exposure to the material cannot be avoided for a limited time-span, waterproof pants and apron of chemical resistant material or coveralls of PE will be sufficient. Coveralls of PE must be discarded after use if contaminated. In cases of appreciable or prolonged exposure, coveralls of barrier laminate may be required.
Stability and reactivity
Reactivity: The product is an acid and react as such.
Conditions to avoid: SBP-1 will decompose rapidly when heated to temperatures above 100°C, significantly increasing the risk of explosion.
The decomposition is dependent on time as well as temperature due to self-accelerating exothermic and autocatalytic reactions. The reactions involve rearrangements and polymerisation releasing volatile malodorous and inflammable compounds such as sec-butyl mercaptan, di-sec-butyl sulphide, carbon monoxide and hydrogen sulphide.
Incompatible materials: Strong alkalis. An acid-base neutralisation reaction can be hazardous because of heat release.
Amines and strong oxidising compounds.
The substance can corrode metals. The presence of moisture accelerates the corrosion appreciably.
Hazardous decomposition products: On heating: see above and subsection fire-fighting measures.
Conditions to avoid: SBP-1 will decompose rapidly when heated to temperatures above 100°C, significantly increasing the risk of explosion.
The decomposition is dependent on time as well as temperature due to self-accelerating exothermic and autocatalytic reactions. The reactions involve rearrangements and polymerisation releasing volatile malodorous and inflammable compounds such as sec-butyl mercaptan, di-sec-butyl sulphide, carbon monoxide and hydrogen sulphide.
Incompatible materials: Strong alkalis. An acid-base neutralisation reaction can be hazardous because of heat release.
Amines and strong oxidising compounds.
The substance can corrode metals. The presence of moisture accelerates the corrosion appreciably.
Hazardous decomposition products: On heating: see above and subsection fire-fighting measures.
Disposal considerations
Waste treatment methods: Remaining quantities of the material and empty but unclean packaging should be regarded as hazardous waste.
According to the Waste Framework Directive (2008/98/EC), possibilities for reuse or reprocessing should first be considered. If this is not feasible, the material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing.
Containers can by triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
Do not contaminate water or foodstuffs by storage or disposal. Do not discharge to sewer systems.
Disposal of waste and packagings must always be in accordance with all applicable local regulations.
According to the Waste Framework Directive (2008/98/EC), possibilities for reuse or reprocessing should first be considered. If this is not feasible, the material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing.
Containers can by triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
Do not contaminate water or foodstuffs by storage or disposal. Do not discharge to sewer systems.
Disposal of waste and packagings must always be in accordance with all applicable local regulations.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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