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EC number: 695-988-9 | CAS number: 100556-82-9
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Endpoint summary
Administrative data
Description of key information
Key value for chemical safety assessment
Skin sensitisation
Link to relevant study records
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 17. Nov to 18. Dec 1987
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline stuidy; the tested substance is a precursor or Reactive Black 5 Bis-Vinyl and hydrolyses in aqueous solution from the bis-ester to the bis-vinyl form
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.6 (Skin Sensitisation)
- Deviations:
- no
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
- Species:
- guinea pig
- Strain:
- Pirbright-Hartley
- Sex:
- female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Hoechst AG
- Weight at study initiation: 240 to 334 g
- Housing: group-housing (5/cage)
- Diet: ERKA Nr 8300 ad libitum
- Water: tap water ad libitum
- Acclimation period: ca. 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 25°C
- Humidity (%): 30 to 70%
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES: From: 17. Nov To: 18. Dec 1987 - Route:
- intradermal and epicutaneous
- Vehicle:
- physiological saline
- Concentration / amount:
- Intradermal: 5%
dermal induction: 100%
dermal challenge: 100% - Route:
- epicutaneous, occlusive
- Vehicle:
- physiological saline
- Concentration / amount:
- Intradermal: 5%
dermal induction: 100%
dermal challenge: 100% - No. of animals per dose:
- Determination of primary not irritating concentration: 6
Determination of intradermal tolerability: 3
Sentinel group: 5
Control group: 5
Treatment group: 10 - Positive control substance(s):
- yes
- Reading:
- 1st reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 100% challenge
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- blue staining of skin
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 48.0. Group: test group. Dose level: 100% challenge. No with. + reactions: 0.0. Total no. in groups: 10.0. Clinical observations: blue staining of skin.
- Reading:
- 2nd reading
- Hours after challenge:
- 72
- Group:
- test chemical
- Dose level:
- 100%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- blue staining of skin
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 72.0. Group: test group. Dose level: 100%. No with. + reactions: 0.0. Total no. in groups: 10.0. Clinical observations: blue staining of skin.
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information
- Conclusions:
- The test item is not sensitizing in pirbright white guinea pigs.
Classification: not sensitizing
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
In a study which was performed to determine the skin sensitization potential of test material in guinea pigs according to OECD Guideline 406 (Skin Sensitization), animals did not show any reactions when tested at 5 % concentration intradermal induction and at 100 % concentration dermal challenge exposure.
In 1stand 2ndreading at 48 and 72 h respectively at 100 % no reactions were observed other than blue staining of the skin. Based on the results, the test item is concluded as not sensitizing in Pirbright white guinea pigs.
According to EU Guidelines, the test substance was not sensitizing in the guinea pig maximization test. However, literature data report on urticaria and eczema observed in workers with a high occupational exposure to reactive dyes.
Consequently, it was agreed between members of the ETAD to classify Reactive Black 5 as skin sensitizer.
Migrated from Short description of key information:
The test item is concluded as not sensitizing in Pirbright white guinea pigs.
Respiratory sensitisation
Link to relevant study records
- Endpoint:
- respiratory sensitisation: in vivo
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 11. Aug to 21. Oct. 1993
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Comparable to guideline study; the tested substance is a precursor or Reactive Black 5 Bis-Vinyl and hydrolyses in aqueous solution from the bis-ester to the bis-vinyl form
- Principles of method if other than guideline:
- According to the European Discussion Group of Inhalation Toxicologists (EDIT) referring to Botham P.A., Rattraya N.J., Woodcocka D.R., Walsha S.T. and Hexta P.M. "The induction of respiratory allergy in guinea-pigs following intradermal injection of trimellitic anhydride: a comparison with the response to 2,4-dinitrochlorobenzene ", Toxicology Letters, Volume 47, Issue 1, April 1989, Pages 25-39
- GLP compliance:
- yes
- Species:
- guinea pig
- Strain:
- other: Pirbright-White (HOE DHPK (SPFLac))
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Hoechst AG
- Age at study initiation: 3 to 5 weeks
- Weight at study initiation (mean): males: 250 g; females: 243 g
- Housing: groups of 4 animals
- Diet: Altromin 3112 ad libitum
- Water: tap ad libitum
- Acclimation period: at least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 to 24
- Humidity (%): 30 to 70
- Air changes (per hr): -
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES: From: 11-Aug-1993 To: 21-Oct-1993 - Route of induction exposure:
- intradermal
- Route of challenge exposure:
- inhalation
- Vehicle:
- other: intradermal: NaCl
- Concentration:
- males: 150, 210 mg/m³
females: 140, 180 mg/m³ - No. of animals per dose:
- Determination of the tolerance of intradermal injections: 2 animals
Determination of the primary non-irritant concentration (inhalation): 4 animais
Material Control Group: 8 animals
Test Group: 8 animals - Details on study design:
- Animals of the test groups are treated intradermally with the test substance: 0.1 mL 1%, 5%, 30%
Animals of the material control groups are treated with the vehicle only.
Determination of the primary non irritant aerosol concentration: 30 to 200 mg/m³
All animals are challenged by inhalation after three weeks using a primary non irritating concentration of the test substance.
Allergic reactions in the test groups are assessed by changes of lung function parameters compared to the material control groups. - Challenge controls:
- yes
- Positive control substance(s):
- not specified
- Negative control substance(s):
- not specified
- Results:
- Determination of the tolerance of intradermal injections:
Intradermal injection of 30% Remazol-Schwarz B in physiological saline caused encrustations and beginning necrosis at the application sites. Slight induration was observed after injection of the 5% formulation. The injection sites treated with 1% Remazol - Schwarz B showed no signs of irritation. Based on these results a 5% solution was chosen for intradermal induction at day 1.
Determination of the primary non-irritant aerosol concentration:
A slight increase in respiratory rate occurred during exposure to approx. 200 mg/mg air. No marked changes in respiratory rate were observed during exposure to approx. 160 mg Remazol-Schwarz B/m³. Therefore this concentration was chosen for inhalation exposure at challenge day 22.
Body weight gain and clinical signs:
The intradermal injections caused encrustations and indurations of the injection sites up to day 8 at the study. Body weight gains were not impaired.
Challenge treatment
– Lung function parameters
Questionable up to slight changes in the respiratory pattern were observed in all animals after onset of exposure. No significant differences were present between the animals of the material control groups and the animals of the test groups.
Based on the results of the present study Remazol-Schwarz B did not cause a significant allergic response after intradermal induction and respiratory challenge.
- Clinical signs of intoxication
No clinical signs of intoxication were observed.
- Autopsy findings
Autopsy of the animals revealed red patches on the lungs in one animal of each group, respectively. - Positive control results:
- -
- Negative control results:
- -
- Interpretation of results:
- not sensitising
- Conclusions:
- Based on the results of the present study Remazol-Schwarz B did not cause a significant allergic response after intradermal induction and respiratory challenge.
- Executive summary:
Remazol-Schwarz B was tested for respiratory sensitization in Pirbright White guinea pigs. Induction was carried out by intradermal injection of 0.1 ml Remazol-Schwarz B (5% solution in physiological saline) at day 1. Animals were challenged at day 22 with approx. 140 - 210 mg Remazol-Schwarz B / m3 air. Evaluation of the particle size distribution of Remazol-Schwarz B aerosol revealed a mass median aerodynamic diameter (MMAD) of 1.8 micrometers and a geometric standard deviation of 1.9. The respiratory pattern changed slightly in some animals during challenge on day 22, but there were no marked differences between the animals induced with Remazol-Schwarz B and control animals, which received isotonic saline only on the day of induction. Based on the results of the present study Remazol-Schwarz B did not cause a significant allergic response after intradermal induction and respiratory challenge.
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
According to EU Guidelines, Reactive Black 5 was not sensitizing in an inhalative guinea pig sensitization test performed according to the European Discussion Group of Inhalation Toxicologists (EDIT) (referring to Botham P. A., Rattray N. J., Woodcock D. R., Walsh S. T. and Hext P. M. "The induction of respiratory allergy in guinea-pigs following intradermal injection of trimellitic anhydride: a comparison with the response to 2,4-dinitrochlorobenzene ", Toxicology Letters, Volume 47, Issue 1, April 1989, Pages 25-39). However, literature data report on symptoms of respiratory allergy observed in workers with a high occupational exposure to reactive dyes.
Consequently, it was agreed between members of the ETAD to classify Reactive Black 5 as respiratory sensitizer.
Migrated from Short description of key information:
The test substance was not sensitizing in an inhalation guinea pig sensitization test.
Justification for classification or non-classification
Based on the finding of the skin and respiratory sensitization studies in vivo, the test substance does not need to be classified according to Directive 67/548/EEC and according to EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation (EC) No. 1272/2008.
Nevertheless, based on available literature data on workers being sensitized upon high occupational exposure to reactive dyes it was agreed between members of ETAD to classify and label Reactive Black 5 as skin and respiratory sensitizer (Guidance to ETAD Member Companies on the implementation of the Code of Ethics, published Basle 03/2001 and revised 04/2008). As Reactive Black 5 is rapidly hydrolysed to Reactive Black 5 bis-vinyl, the same classification was applied to Reactive Black 5 bis-vinyl.
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