Home Categories Organic Chemistry Chromyl chloride
F407423

Chromyl chloride , 99.99 , 14977-61-8

Synonym(s):
Chromium(VI) dichloride dioxide;Chromium(VI) oxychloride;Dichlorochromium(VI) oxide

CAS NO.:14977-61-8

Empirical Formula: Cl2CrO2

Molecular Weight: 154.9

MDL number: MFCD00010951

EINECS: 239-056-8

Update time: 2022-07-08

PRODUCT Properties

Melting point: −96.5 °C (−141.7 °F; 176.7 K)
Boiling point: 118.5 °C (245.3 °F; 391.6 K)
Density  1.911 g/mL, liquid
Flash point: noncombustible
solubility  reacts with H2O; soluble in ctc, chloroform,benzene
form  fuming liquid
color  Blood-red
Specific Gravity 1.911
Water Solubility  Soluble in carbon tetrachloride, carbon disulfide, benzene, nitrobenzene, chloroform, and POCL3. Insoluble in water(Reacts).
Specific Heat Capacity Cp(gas): 0.55 J/(g·K), at 25℃
Sensitive  Moisture Sensitive
Merck  14,2248
Exposure limits ACGIH TLV-TWA:0.0001 ppm (0.0002 mg/m3),as Cr(VI),Inhalable fraction and vapor;TLV-STEL:0.00025 ppm (0.0005 mg/m3),as Cr(VI),Inhalable fraction and vapor
NIOSH REL-TWA:0.0002 mg/m3
Dielectric constant 2.6(20℃)
CAS DataBase Reference 14977-61-8(CAS DataBase Reference)
EPA Substance Registry System Chromium(VI) dioxychloride (14977-61-8)

Description and Uses

Chromyl chloride is a dark red fuming liquidwith a musty, burning odor. Molecular weight = 154.90;Specific gravity (H2O:1) =1.91 at 25℃; Boilingpoint =117℃; Freezing/Melting point =-96.5℃; Vaporpressure =20 mmHg at 25℃. Soluble in water(decomposes).

In organic oxidations and chlorinations; as a solvent for chromium oxide; in making chromium complexes and dyes

Safety

Symbol(GHS)  Flame Over Circle (GHS03)Corrosion (GHS05)Exclamation Mark (GHS07)Health Hazard (GHS08)Environment (GHS09)
GHS03,GHS05,GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H271-H314-H317-H340-H410
Precautionary statements  P210-P220-P280-P283-P260-P264-P261-P272-P201-P202-P273-P306+P360-P371+P380+P375-P370+P378-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P305+P351+P338-P302+P352-P333+P313-P362+P364-P308+P313-P391-P420-P405-P501
Hazard Codes  O,T,C,N
Risk Statements  49-46-8-35-43-50/53-34-23/24/25-45
Safety Statements  53-45-60-61-36/37/39-27-26-17
RIDADR  UN 1758
OEB E
OEL TWA: 0.001 mg Cr(VI)/m3
WGK Germany  3
RTECS  GB5775000
F  8-10-21
TSCA  TSCA listed
HazardClass  8
PackingGroup  I
HS Code  2827499090
Hazardous Substances Data 14977-61-8(Hazardous Substances Data)

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