Calcyanide
Calcyan
C2CaN2 / Ca(CN)2
Molecular mass: 92.1
ICSC # 0407
CAS # 592-01-8
RTECS # EW0700000
UN # 1575
EC # 020-002-00-5
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible but forms flammable gas on contact with water or damp air.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames, NO sparks, and NO smoking.
NO contact with water, carbon dioxide, acid(s).
NO contact with hot surfaces.
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Powder,
dry sand,
NO hydrous agents.
NO water.
NO carbon dioxide.
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Explosion
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Exposure
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STRICT HYGIENE!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Chest tightness.
Confusion.
Convulsions.
Cough.
Dizziness.
Headache.
Laboured breathing.
Nausea.
Shortness of breath.
Unconsciousness.
Vomiting.
Weakness.
Red coloration of the skin.
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Local exhaust or breathing protection.
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Fresh air, rest.
Artificial respiration may be needed.
Refer for medical attention.
See Notes.
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•Skin
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MAY BE ABSORBED!
Redness.
Pain.
(Further see Inhalation).
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
Wear protective gloves when administering first aid.
See Notes.
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•Eyes
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Redness.
Pain.
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Safety spectacles,
face shield,
or eye protection in combination with breathing protection if powder.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Burning sensation in the throat and chest.
(Further see Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
Refer for medical attention.
See Notes.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Evacuate danger area!
Consult an expert!
Do NOT wash away into sewer.
Sweep spilled substance into containers.
Carefully collect remainder,
then remove to safe place.
Prevent contact with water or moist substances.
Do NOT let this chemical enter the environment.
Chemical protection suit including self-contained breathing apparatus.
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Fireproof.
Provision to contain effluent from fire extinguishing.
Separated from
strong oxidants,
acids,
food and feedstuffs
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Dry.
Well closed.
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Airtight.
Do not transport with food and feedstuffs.
Marine pollutant.
T+ symbol
N symbol
R: 28-32-50/53
S: 1/2-7/8-23-36/37-45-60-61
UN Hazard Class: 6.1
UN Packing Group: I
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Important Data
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Physical State; Appearance:
COLOURLESS CRYSTALS
OR WHITE POWDER
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating above 350°C,
producing
toxic fumes
including
nitrogen oxides
and
hydrogen cyanide
.
Reacts violently with water, moist air, carbon dioxide, acids and acid salts producing highly toxic and flammable hydrogen cyanide. Reacts violently when heated with oxidizing substances
causing fire and explosion hazard.
Occupational Exposure Limits:
TLV: (as CN) 5 mg/m3 (Ceiling value); (skin); (ACGIH 2004).
MAK: (as CN, inhalable fraction) 2 mg/m3 H;
Peak limitation category: (II1); Pregnancy risk group: C;
(DFG 2006).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation,
through the skin
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
The substance may cause effects on the intracellular oxygen metabolism
, resulting in seizures and unconsciousness.
Exposure may result in death.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
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Physical
Properties
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Decomposes below melting point at >350°C
Density: 1.8 g/cm3
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Solubility in water:
reaction
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Environmental
Data
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The substance is very toxic to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
No odour warning if toxic concentrations are present.
Do NOT take working clothes home.
Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-61GT5-I-Cy
NFPA Code: H 3; F 0; R 0.
Card has been partially updated in July 2007: see Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0407
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CALCIUM CYANIDE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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