Calcium arsenate (as As)
|
CAS
7778-44-1
|
Ca3(AsO4)2
|
RTECS
CG0830000
|
Synonyms & Trade Names
Calcium salt (2:3) of arsenic acid, Cucumber dust, Tricalcium arsenate, Tricalcium ortho-arsenate [Note: Also see specific listing for Arsenic (inorganic compounds, as As).]
|
DOT ID & Guide
1573 151
|
Exposure
Limits
|
NIOSH REL: Ca C 0.002 mg/m3 [15-minute] See Appendix A
|
|
OSHA PEL: [1910.1018] TWA 0.010 mg/m3
|
IDLH
Ca [5 mg/m3 (as As)]
See: 7778441
|
Conversion
|
Physical Description
Colorless to white, odorless solid. [insecticide/herbicide]
|
MW: 398.1
|
BP: Decomposes
|
MLT: ?
|
Sol(77°F): 0.01%
|
VP: 0 mmHg (approx)
|
IP: NA
|
|
Sp.Gr: 3.62
|
Fl.P: NA
|
UEL: NA
|
LEL: NA
|
|
|
Noncombustible Solid
|
Incompatibilities & Reactivities
None reported [Note: Produces toxic fumes of arsenic when heated to decomposition.]
|
Measurement Methods
NIOSH 7900; OSHA ID105
See: NMAM or OSHA Methods
|
Personal Protection & Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations
NIOSH
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
|
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
|
Symptoms
Lassitude (weakness, exhaustion); gastrointestinal disturbance; peripheral neuropathy; skin hyperpigmentation, palmar planter hyperkeratoses; dermatitis; [potential occupational carcinogen]; in animals: liver damage
|
Target Organs
Eyes, respiratory system, liver, skin, central nervous system, lymphatic system
Cancer Site
[lymphatic & lung cancer]
|
|
See also: INTRODUCTION
See ICSC CARD: 0765 |
