Registration Dossier
Registration Dossier
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EC number: 200-848-3 | CAS number: 75-20-7
PBT assessment
Administrative data
PBT assessment: overall result
- Name:
- 75-20-7_Calcium Carbide
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: bulk
- Related composition:
- 75-20-7_Calcium Carbide
- > 65 - < 90 % (w/w)
- Reference substance:
- 75-20-7_Calcium Carbide
- Reference substance:
- 75-20-7_Calcium Carbide
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- 75-20-7_Calcium Carbide
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- 75-20-7_Calcium Carbide
- This impurity is considered relevant for the classification and labelling of the substance
- PBT status:
- PBT assessment does not apply
- Justification:
REACH Annex XIII, PBT assessment, does only apply to organic and metallo-organic compounds. Thus, the PBT assessment does not apply to calcium carbide which is an inorganic substance.
Upon contact with water calcium carbide instantly hydrolysis to calcium hydroxide and acetylene. Like calcium carbide also calcium hydroxide is an inorganic substance, thus PBT assessment does also not apply to calcium hydroxide.
Acetylene is an highly volatile organic gas which is considered to be readily biodegradable and which is assumed to have no significant potential for bioaccumulation due to its very low log Kow of 0.37. Thus, acetylene is considered to be not PBT/vPvB.
Reference
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