| Identification | Back Directory | [Name]
LEAD (II) O-PHOSPHATE | [CAS]
7446-27-7 | [Synonyms]
C.I.77622
LEAD PHOSPHATE
Lead-o-phosphate
Perlex Paste 500
Perlex Paste 600A
Trilead phosphate
Lead(Ⅱ) phosphate
Lead(II) phosphate
Plumbous phosphate
Lead orthophosphate
DIBASICLEADPHOSPHATE
LEAD (II) O-PHOSPHATE
LEAD(II)PHOSPHATE(3:2)
RCRA waste number U-145
LEAD PHOSPHATE TRIBASIC
Lead (II) orthophosphate
trilead bis(orthophosphate)
Lead orthophosphate (normal)
Phosphoric acid, lead(2+) salt (2:3) | [EINECS(EC#)]
231-205-5 | [Molecular Formula]
O8P2Pb3 | [MDL Number]
MFCD00016277 | [MOL File]
7446-27-7.mol | [Molecular Weight]
811.54 |
| Chemical Properties | Back Directory | [Description]
Lead phosphate is white powder soluble in acids and alkalis. Lead (II) phosphate is insoluble
in water and alcohol but soluble in nitric acid and has fixed alkali hydroxides. On
heating, it decomposes and emits very toxic fumes containing Pb and POx.
Reports have indicated that on the basis of sufficient evidence of carcinogenicity in experimental
animals and inadequate evidence for the carcinogenicity in humans, lead acetate
and lead phosphate are reasonably anticipated to be human carcinogens. Information on
the toxicology profile of lead phosphate is limited. | [Appearance]
Lead phosphate is a white powder or colorless
crystals. | [Melting point ]
1014° | [density ]
6.9 | [solubility ]
insoluble in H2O, ethanol | [form ]
white hexagonal crystals | [color ]
white hexagonal, hexane crystals, crystalline | [Water Solubility ]
g/L H2O: 1.35×10?4 (20°C) [KRU93] | [Solubility Product Constant (Ksp)]
pKsp: 42.1 | [EPA Substance Registry System]
Lead(II) phosphate (7446-27-7) |
| Hazard Information | Back Directory | [Chemical Properties]
Lead phosphate is a white powder or colorless
crystals. | [Uses]
Stabilizer for styrene and casein plastics; in special glasses. | [General Description]
White powder. | [Air & Water Reactions]
Insoluble in water, soluble in acids and alkalis. | [Reactivity Profile]
Salts, basic, such as LEAD (II) O-PHOSPHATE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydroxide ions and have pH's greater than 7.0. They react as bases to neutralize acids. These neutralizations generate heat, but less or far less than is generated by neutralization of the bases in reactivity group 10 (Bases) and the neutralization of amines. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. | [Potential Exposure]
Lead phosphate is used as a stabilizer
in styrene and casein plastics | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit | [Shipping]
UN3288 Toxic solids, inorganic, n.o.s., Hazard
Class: 6.1; Labels: 6.1-Poisonous materials, Technical
Name Required | [Incompatibilities]
Incompatible with oxidizers (chlorates,
nitrates, peroxides, permanganates, perchlorates, chlorine,
bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases,
strong acids, oxoacids, epoxides, and active metals.
| [Waste Disposal]
Consult with environmental
regulatory agencies for guidance on acceptable disposal
practices. Generators of waste containing this contaminant
(≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. | [storage]
Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with thischemical you should be trained on its proper handling andstorage. Store in tightly closed containers in a cool, wellventilated area away from heat, oxidizers, strong acids.Lead is regulated by an OSHA Standard 1910.1025. Allrequirements of the standard must be followed. A regulated,marked area should be established where this chemical ishandled, used, or stored in compliance with OSHAStandard 1910.1045. |
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