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| CAS No.: | 598-63-0 |
|---|---|
| Name: | Lead(II) carbonate |
| Molecular Structure: | |
|
|
|
| Formula: | CH2O3·Pb |
| Molecular Weight: | 267.21 |
| Synonyms: | Cerussite;Dibasic lead carbonate;Lead(2+)carbonate;Plumbous carbonate; |
| EINECS: | 209-943-4 |
| Density: | 6.6 g/cm3 |
| Melting Point: | 399-401°C (dec.)) |
| Boiling Point: | 333.6 °C at 760 mmHg |
| Flash Point: | 169.8 °C |
| Solubility: | soluble in acid and alkali, but insoluble in alcohol and ammonia |
| Appearance: | white powder |
| Hazard Symbols: |
 T, N
|
| Risk Codes: | 61-20/22-33-50/53-62 |
| Safety: | 53-45-60-61 |
| Transport Information: | UN 3077 9/PG 3 |
| PSA: | 63.19000 |
| LogP: | -2.82780 |
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Consensus Reports
Standards and Recommendations
ACGIH TLV: TWA 0.15 mg(Pb)/m3
NIOSH REL: (Inorganic Lead) TWA 0.10 mg(Pb)/m3
Specification
The Lead carbonate, with the CAS registry number 598-63-0, is also known as Dibasic lead carbonate. It belongs to the product categories of Inorganics; Chemical Synthesis; Lead Salts; LeadMetal and Ceramic Science; Salts; ACS Grade Chemical Synthesis; Catalysis and Inorganic Chemistry; Essential Chemicals; Lead; Routine Reagents. Its EINECS number is 209-943-4. This chemical's molecular formula is CH2O3·Pb and molecular weight is 267.21. What's more, its systematic name is potassium lead(2+) carbonate. Its classification codes are: (1)Human Data; (2)Reproductive Effect; (3)Tumor data. It is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. It is used as in organic synthesis. It is also used in chemical analysis and preparing paints, pigments and in photography industry.
Physical properties of Lead carbonate are: (1)ACD/LogP: -0.81; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.98; (4)ACD/LogD (pH 7.4): -3.77; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 57.53 Å2; (13)Flash Point: 169.8 °C; (14)Enthalpy of Vaporization: 63.37 kJ/mol; (15)Boiling Point: 333.6 °C at 760 mmHg; (16)Vapour Pressure: 2.58E-05 mmHg at 25°C.
Preparation: this chemical can be prepared by treating an aqueous slurry of lead oxide with acetic acid in the presence of air and carbon dioxide or by shaking a suspension of a lead salt less soluble than the carbonate with ammonium carbonate at a low temperature to avoid formation of basic lead carbonate.
PbO + CO2 → PbCO3
When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation and if swallowed. It has a danger of cumulative effects. It is very toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. It may cause harm to the unborn child. Moreover, it has a possible risk of impaired fertility. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible). It should be avoided exposure that you need obtain special instructions before use. This material and its container must be disposed of as hazardous waste. You must avoid releasing it to the environment just refering to special instructions/safety data sheet.
You can still convert the following datas into molecular structure:
(1)SMILES: C(=O)([O-])[O-].[Pb+2]
(2)Std. InChI: InChI=1S/CH2O3.Pb/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
(3)Std. InChIKey: MFEVGQHCNVXMER-UHFFFAOYSA-L
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LDLo | oral | 1gm/kg (1000mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| human | LDLo | oral | 571mg/kg (571mg/kg) | BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: NAUSEA OR VOMITING | International Polymer Science and Technology. Vol. 3, Pg. 93, 1976. |
| man | TDLo | oral | 214mg/kg/4W (214mg/kg) | GASTROINTESTINAL: CONTRACTION (ISOLATED TISSUE) LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED" | New England Journal of Medicine. Vol. 303, Pg. 459, 1980. |