Dibasic lead phosphite

Agent Name
Dibasic lead phosphite
CAS Number
1344-40-7
Formula
H-O5-P-Pb3.1/2H2-O
Major Category
Metals
Synonyms
C.I. 77620; Dibasic lead metaphosphate; Lead dibasic phosphite; Lead hydroxide oxide phosphite (Pb3(OH)O(PO3)), hydrate (2:1); Lead oxide phosphonate, hemihydrate; Lead phosphite, dibasic; [ChemIDplus] Lead oxide phosphonate; [Chem Service MSDS] UN2989
Category
Lead Compounds, Inorganic
Description
White solid; Insoluble in water; [CAMEO] Pale yellow solid; [IARC] White crystalline solid; Odorless; [Chem Service MSDS]
Sources/Uses
Possesses the property of preventing materials from ultraviolet light degradation; Other lead compounds with this property are used in PVC materials with applications in the construction industry; [IARC]
Comments
Self reactive; May ignite and burn vigorously on exposure to heat or sparks; [CAMEO] See "Lead(II) phosphate" and "Potassium phosphite." See "Lead" and linked occupational diseases.
Biomedical References
Search PubMed

Exposure Assessment

BEI
Lead in blood = 200 ug/L (20 ug/100 ml); sampling time not critical; [ACGIH]
TLV (ACGIH)
0.05 mg/m3, as Pb
PEL (OSHA)
0.05 mg/m3, as Pb

Adverse Effects

Anemia
Hemolytic anemia
Neurotoxin
Predominantly motor
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Reproductive Toxin
Yes
IARC Carcinogen
Probable (2a)
NTP Carcinogen
Anticipated human carcinogen
ACGIH Carcinogen
Confirmed Animal

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: