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ZINC PHOSPHIDE

ICSC: 0602

Trizinc diphosphide
Zn3P2
Molecular mass: 258.1
ICSC #    0602
CAS #     1314-84-7
RTECS # ZH4900000
UN #        1714
EC #         015-006-00-9
March 13, 2001 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Not combustible but forms flammable gas on contact with water or damp air.
NO contact with acid(s), water or oxidants.
In case of fire in the surroundings: powder, NO water, NO carbon dioxide.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water but NO direct contact with water.
EXPOSURE
PREVENT DISPERSION OF DUST! STRICT HYGIENE!

 •INHALATION Cough. Headache. Fatigue. Nausea. Diarrhoea. Vomiting.
Local exhaust or breathing protection.
Fresh air, rest. Half-upright position. Refer for medical attention.
 •SKIN Burning sensation.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
 •EYES Pain. Photophobia.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
 •INGESTION Abdominal pain. Nausea. Ataxia. Fatigue. Vomiting. Cough. Diarrhoea. Dizziness. Headache. Laboured breathing. Unconsciousness.
Do not eat, drink, or smoke during work. Wash hands before eating.
Give a slurry of activated charcoal in water to drink. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). See Notes. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Evacuate danger area! Consult an expert! Sweep spilled substance into dry containers. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. Personal protection: complete protective clothing including self-contained breathing apparatus.
Separated from strong oxidants, acids, water . Dry. Cool. Keep in a well-ventilated room.

F symbol
T+ symbol
N symbol
R: 15/29-28-32-50/53
S: 1/2-3/9/14-30-36/37-45-60-61
UN Hazard Class: 4.3
UN Subsidiary Risks: 6.1
UN Packing Group: I
ICSC: 0602 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

ZINC PHOSPHIDE

ICSC: 0602

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
DARK GREY CRYSTALS , POWDER OR PASTE , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating and on contact with acids, and slowly with water producing toxic and flammable fumes of phosphorous oxides and zinc oxides, and phosphine. Reacts violently with strong oxidants causing fire hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol, 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 especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the respiratory tract . The substance may cause effects on the liver,kidneys, heartandnervous system. Exposure at high levels may result in death. Inhalation of phosphine liberated from zinc phosphide may cause lung oedema (see Notes).

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the nervous system .

PHYSICAL
PROPERTIES

Boiling point: 1100°C
Melting point: 420°C
Density: 4.6
g/cm3
Solubility in water: none, slowly decomposes

ENVIRONMENTAL
DATA

The substance is very toxic to aquatic organisms. This substance may be hazardous to the environment; special attention should be given to birds and mammals.

N O T E S

Reacts violently with fire extinguishing agents such as water and carbon dioxide. Depending on the degree of exposure, periodic medical examination is suggested. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. If a patient is made to vomit after ingestion, collect the vomitus in a plastic bag to prevent emission of phosphine. Blue-ox, Gopha-rid, Kilrat, Mous-Con, Phosvin, Ratol, Rumetan and Zinc-Tox are trade names. Also consult ICSC 0694 Phosphine. Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-43GWT2-I

NFPA Code: H 3; F 3; R 1;

ADDITIONAL INFORMATION



ICSC: 0602 ZINC PHOSPHIDE
(C) IPCS, CEC, 1994
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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