Zinc bromide

Formula
ZnBr2
Structure
Description
White hexagonal crystals. Odorless.
Uses
Making silver bromide collodion emulsions for photography, in the shielding of viewing windows for nuclear reactions.

Registry Numbers and Inventories.
CAS
7699-45-8
EC (EINECS/ELINCS)
231-718-4
R 34 50/53
S 7/8 28 45 60 61
RTECS
ZH1150000
RTECS class
Mutagen
UN (DOT)
9156
Merck
12,10258
Beilstein/Gmelin
9278 (G)
Swiss Giftliste 1
G-7324
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
Br2Zn
Formula mass
225.18
Melting point, °C
394
Boiling point, °C
670 - 680
Vapor pressure, mmHg
1.6 (400 C)
Vapor density (air=1)
7.8
Density
4.22 g/cm3
Solubility in water
825 g/L (25 C)
Dielectric constant
4.49

Hazards and Protection.
Storage
Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Explosive when mixed with sodium and potassium.
Decomposition
Hydrogen bromide, toxic fumes of zinc oxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use extinguishing media most appropriate for the surrounding fire.
Fire potential
Nonflammable.
Hazards
Some may burn but none ignite readily. May polymerize explosively when heated or involved in a fire. Containers may explode when heated. Some may be transported hot.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
3
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
3
Exposure effects
Prolonged exposure may cause mental changes such as hallucinations, depression, psychosis, and possibly coma.
   Ingestion
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.
   Inhalation
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
   Skin
May cause severe skin irritation with possible burns, especially if skin is wet or moist.
   Eyes
Contact with eyes may cause severe irritation, and possible eye burns.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Treat symptomatically and supportively. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
9156
Response guide
Hazard class
9
USCG CHRIS Code
ZBR
 
Std. Transport #
4966780