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7784-34-1

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Basic Information
CAS No.: 7784-34-1
Name: ARSENIC(III) CHLORIDE
Article Data: 244
Molecular Structure:
Molecular Structure of 7784-34-1 (ARSENIC(III) CHLORIDE)
Formula: AsCl3
Molecular Weight: 181.281
Synonyms: Arsenicchloride (AsCl3) (5CI,8CI); Arsenic trichloride; Arsenic(3+) chloride;Arsenic(III) chloride; Arsenous chloride; Fuming liquid arsenic; Trichloroarsine
EINECS: 232-059-5
Density: 2.163
Melting Point: −16 °C(lit.)
Boiling Point: 130.2 °C(lit.)
Flash Point: 130.2oC
Solubility: decomposes
Appearance: colourless oily liquid
Hazard Symbols: Strong irritant to eyes and skin.
Risk Codes: R23/25; R50/53
Safety: Confirmed human carcinogen. A poison via inhalation. See also ARSENIC COMPOUNDS and CHLORIDES. Very poisonous; fumes in air. Mutation data reported. When heated to decomposition it emits very toxic fumes of As and Cl−. Highly reactive. Explodes with Na, K, and Al on impact.
PSA: 0.00000
LogP: 1.68770
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    Arsenic(III) chloride, 99.999% trace metals basis 7784-34-1

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Chemistry

Molecular Structure:

Molecular Formula: AsCl3
Molecular Weight: 181.2806
IUPAC Name: Trichloroarsane
Synonyms of Arsenic chloride (CAS NO.7784-34-1): Arsenic trichloride ; Arsenic butter ; Arsenic chloride (AsCl3) ; Arsenic trichloride ; Arsenic(III) chloride ; Arsenic(III) trichloride ; Arsenious chloride ; Arsenous chloride ; Arsenous trichloride ; Butter of arsenic ; Caustic arsenic chloride ; Caustic oil of arsenic ; Chlorure arsenieux ; Chlorure arsenieux [French] ; Chlorure d'arsenic ; Chlorure d'arsenic [French] ; EINECS 232-059-5 ; Fuming liquid arsenic ; HSDB 422 ; Trichloroarsine ; Trichlorure d'arsenic ; Trichlorure d'arsenic [French]
CAS NO: 7784-34-1
Classification Code: Mutation data
Melting point: −16 °C 
Boiling Point:  130.2 °C
Density: 2.15 g/mL at 25 °C
Flash Point:  130.2°C 
Sensitive: Moisture Sensitive
Merck: 14,801
Stability: Stability Reacts with water. Corrodes many metals. Reacts violently on contact with potassium, sodium and aluminium

Uses

   Arsenic chloride (CAS NO.7784-34-1) is used as a semiconductor and a dopant gas. It is used in the synthesis of Arsenic derivative chlorine. And it is used for the ceramic industry.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LCLo inhalation 200mg/m3/20M (200mg/m3)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 324, 1955.
mouse LCLo inhalation 338ppm/10M (338ppm)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 324, 1955.
rat LD50 oral 48mg/kg (48mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(4), Pg. 54, 1983.
rat LD50 skin 80mg/kg (80mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(4), Pg. 54, 1983.

Consensus Reports

  Arsenic chloride (CAS NO.7784-34-1)  is reported in EPA TSCA Inventory. Arsenic and its compounds are on the Community Right-To-Know List. EPA Extremely Hazardous Substances List.

Safety Profile

Hazard Codes of Arsenic chloride (CAS NO.7784-34-1): ToxicT,DangerousN
Risk Statements: 23/25-50/53 
R23/25: Toxic by inhalation and if swallowed. 
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 20/21-28-45-60-61 
S20: When using, do not eat or drink. 
S21: When using do not smoke. 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60: This material and its container must be disposed of as hazardous waste. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 1560 6.1/PG 1
WGK Germany: 3
RTECS: CG1750000
HazardClass: 6.1
PackingGroup: I