Antimony suppliers
Antimony
- CAS:
- 7440-36-0
- MF:
- Sb
- MW:
- 121.76
Properties
- Melting point:
- 630 °C (lit.)
- Boiling point:
- 1635 °C (lit.)
- Density
- 6.69 g/mL at 25 °C (lit.)
- Flash point:
- 1380°C
- storage temp.
- Store at +15°C to +25°C.
- solubility
- H2O: soluble
- form
- powder
- Specific Gravity
- 6.684
- color
- Silver-gray
- Water Solubility
- INSOLUBLE
- Merck
- 13,698
- Exposure limits
- ACGIH: TWA 2 ppm; STEL 4 ppm
OSHA: TWA 2 ppm(5 mg/m3)
NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)
Safety Information
- Symbol(GHS)
GHS08
- Signal word
- Warning
- Hazard statements
- H351-H373
- Precautionary statements
- P202-P260-P280-P308+P313-P405-P501
- Hazard Codes
- N,Xn,Xi,F
- Risk Statements
- 34-51/53-20/22-36/37/38-36/38-22-11-53
- Safety Statements
- 60-61-36/37/39-26-16
- RIDADR
- UN 3264 8/PG 2
- WGK Germany
- 2
- RTECS
- CC4025000
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 81101000
- Toxicity
- LD50 in rats, guinea pigs (mg Sb/100 g): 10.0, 15.0 i.p. (Bradley, Fredrick)
- IDLA
- 50 mg Sb/m3
Use
Antimony is a chemical element with the symbol Sb (from Latin: stibium) and atomic number 51.Antimony is mainly used as the trioxide for flame-proofing compounds, always in combination with halogenated flame retardants except in halogen-containing polymers. The flame retarding effect of antimony trioxide is produced by the formation of halogenated antimony compounds, which react with hydrogen atoms, and probably also with oxygen atoms and OH radicals, thus inhibiting fire.Markets for these flame-retardants include children's clothing, toys, aircraft, and automobile seat covers. They are also added to polyester resins in fiberglass composites for such items as light aircraft engine covers. The resin will burn in the presence of an externally generated flame, but will extinguish when the external flame is removed.
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