Antimony pentasulfide

  • Antimony sulfide, solid
  • Antimony(V) sulfide
  • Diantimony pentasulfide
Formula
Sb2S5
Structure
Description
Orange solid.
Uses
Used as a pigment.

Registry Numbers and Inventories.
CAS
1315-04-4
EC (EINECS/ELINCS)
215-255-5
RTECS
CC6125000
RTECS class
Other
UN (DOT)
1325
Merck
12,738
Beilstein/Gmelin
44326 (G)
Swiss Giftliste 1
G-7682
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
S5Sb2
Formula mass
403.80
Decomposition point, °C
75
Density
4.12 g/cm3
Solubility in water
Reacts

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents.
Decomposition
Oxides of sulfur, hydrogen sulfide, antimony/antimony oxides.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Flammable solid. Extinguishing media: Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER!
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Emits toxic fumes under fire conditions.
Health
3
 
Flammability
1
 
 
Reactivity
1
 

Health.
Exposure limit(s)
NIOSH REL*: TWA 0.5 mg/m3 OSHA PEL*: TWA 0.5 mg/m3 [*Note: REL and PEL also apply to other antimony compounds (as Sb).] IDLH 50 mg/m3 (as Sb)
Poison_Class
2
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
USCG CHRIS Code
ATW