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Chemical Sampling Information (CSI)
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General Description

Synonyms: Tricalcium arsenate; Tricalcium orthoarsenate; Cucumber dust

OSHA IMIS Code Number: 0500

Chemical Abstracts Service (CAS) Registry Number: 7778-44-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: CG0830000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1573 53

Chemical Description and Physical Properties:

colorless, odorless solid
molecular weight: 398
vapor pressure: 0 mm

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Construction Industry: 0.01 mg/m3 TWA 1910.1018
Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Arsenic and Arsenic Compounds - Group 1, carcinogenic to humans

National Toxicology Program (NTP): Suspect Human Carcinogen (Arsenic)

Potential Symptoms: Weakness; gastrointestinal disturbances; peripheral neuropathy; hyperpigmentation, palmar planter hyperkeratoses; dermatitis; (carcinogenic) In animals: liver damage

Health Effects: Suspect carcinogen (HE2); Cumulative systemic poisoning (HE3)

Affected Organs: Eyes, respiratory system, liver, skin, lymphatics, CNS

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

See Arsenic, inorganic

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