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Ammonium dichromate suppliers
- CAS:
- 7789-09-5
- MF:
- Cr2H8N2O7
- MW:
- 252.06
Properties
- Melting point::
- 170 °C (dec.)(lit.)
- Density :
- 2.150
- vapor density :
- 8.7 (vs air)
- solubility :
- H2O: 1 M at 20 °C, clear, colorless
- form :
- Solid
- color :
- Orange to red
- Odor:
- Odorless
- PH Range:
- 3 - 4
- Water Solubility :
- 360 g/L (20 ºC)
- Decomposition :
- 170 °C
- Merck :
- 14,515
- Exposure limits:
- ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
- Stability::
- Stability Strong oxidizer - contact with flammable materials may cause fire. Reactions carried out in closed vessels may lead to explosion. Incompatible with organic materials, strong reducing agents.
- CAS DataBase Reference:
- 7789-09-5(CAS DataBase Reference)
- EPA Substance Registry System:
- Ammonium dichromate(VI) (7789-09-5)
SecurityInformation
- Symbol(GHS) :
-
GHS03,GHS05,GHS06,GHS08,GHS09
- Signal word :
- Danger
- Hazard statements :
- H272-H301-H312-H314-H317-H330-H334-H340-H350-H360-H372-H410
- Precautionary statements :
- P210-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
- Hazard Codes :
- E,T+,N
- Risk Statements :
- 45-46-60-61-2-8-21-25-26-34-42/43-48/23-50/53
- Safety Statements :
- 53-45-60-61
- RIDADR :
- UN 1439 5.1/PG 2
- WGK Germany :
- 3
- RTECS :
- HX7650000
- Autoignition Temperature:
- 218°C
- TSCA :
- Yes
- HazardClass :
- 5.1
- PackingGroup :
- II
- HS Code :
- 28415000
- Hazardous Substances Data:
- 7789-09-5(Hazardous Substances Data)
- Toxicity:
- LDLo scu-gpg: 25 mg/kg EQSSDX 1,1,75
- Use:
- Ammonium dichromate is an oxidizing reagent, Ammonium dichromate readily reacts with reducing materials, in large quantity Ammonium dichromate may produce a violent reaction. Direct exposure to heat or shock will explode it. When heated to decomposition Ammonium dichromate emits toxic fumes of ammonia and nitrogen oxides [Sax, 9th ed., 1996, p. 205].
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