Calcium Hypochlorite
هيبوكلوريت الكالسيوم
Chlorine bleach (solid) · CAS: 7778-54-3
Solid chlorine bleach - same 'never mix' rules; an oxidiser too. Handle carefully.
Why this verdict
GHS-hazardous (corrosive/irritant/oxidiser) but a legitimate cleaning active - handle with care.
What It Is
Solid 'bleaching powder' / pool chlorine.
The solid form of chlorine bleach - same chlorine chemistry, same deadly mixing rules (acids → chlorine gas, ammonia → chloramine), plus it's an oxidiser that can ignite organics. Powerful for pools and heavy disinfection, but needs careful, ventilated, never-mixed handling.
Evidence & Status
IARC Carcinogen Group
Not classified
EU Status
CLP-classified (H272 (oxidiser), H302, H314, H400 (+ EUH031)); signal word Danger.
US · FDA Status
EPA-registered / OSHA-regulated where applicable
Cleaning & Hazard
Hazard signal
Danger
Hazard codes (GHS)
H272 (oxidiser), H302, H314, H400 (+ EUH031)
Environmental note
Very toxic to aquatic life (H400) - shown as fact.
Do not mix
NEVER mix with acids → CHLORINE gas (EUH031). NEVER mix with ammonia. Oxidiser - keep from flammables/organics.
Halal Status: Halal
Inorganic/synthetic; no animal-derived or alcohol concern (surface use, not ingested).
Also Known As
bleaching powder · pool chlorine · calcium chloride hypochlorite
Primary Source
Evidence, not medical advice. You decide.
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