1344-37-2
lead sulfochromate yellow
CAS: 1344-37-2
Molecular Formula: PbCrO4+PbSO4
1344-37-2 - Names and Identifiers
1344-37-2 - Physico-chemical Properties
| Molecular Formula | PbCrO4+PbSO4 |
| Molar Mass | 576.07 |
| Density | 6[at 20℃] |
| Water Solubility | 36.8μg/L at 20℃ |
| Solubility Product Constant(Ksp) | pKsp: 12.55 |
| Physical and Chemical Properties | A bright yellow monoclinic crystal. Density 6.12g/cm3, melting point 844. Insoluble in water, oil and acetic acid, soluble in strong alkali and inorganic acid. Hydrogen sulfide turned black and alkali turned orange-red. Color strength and hiding power. It cannot be shared with Lithopone and ultramarine. Toxic. The color light varies with the ratio of raw materials and the preparation conditions, including Orange chrome yellow, deep chrome yellow, medium chrome yellow, light chrome yellow, lemon yellow and so on. lime last chrome yellow [3 PbCrO4 · 2PbSO4 + Al(OH)3 + AlPO4]. Lead chromate content of not less than 50%, bright color, with green phase, paint gloss is good, with blue pigment can be mixed into a bright green, color equivalent to 10G. Light resistance up to 4~5. Heat resistance: 140 °c. Water permeability and oil permeability are Grade 1. Acid resistance and alkali resistance are grade 3. light chrome yellow (5 PbCrO4 · 2PSO4 + Al(OH)3 + AlPO4]. Lead chromate content of not less than 60%, bright color, strong coloring, paint gloss is good, with blue pigment can be matched into light green. Lead chromate content is higher than lemon chrome yellow. Color equivalent to 4G. Light resistance up to grade 5. The heat resistance was 140 °c. Water permeability and oil permeability are Grade 1. Acid resistance and alkali resistance are grade 3. Medium Chrome Yellow (PbCrO4 + PbSO4). Pure color, paint gloss is good, with blue pigment can be formulated into green. Lead chromate content is the highest, in more than 90%. The color is equivalent to G. Light resistance up to 4~5. Heat resistance: 140 °c. Water permeability and oil permeability are Grade 1. Acid resistance and alkali resistance are grade 3. deep chrome yellow (PbCrO4 + PbCrO4 · PbO). Lead chromate accounted for 85%, with red color light, strong coloring, color equivalent to GR. Light resistance up to grade 5. The heat resistance was 140 °c. Water permeability and oil permeability were Grade 3. Orange chrome yellow (PbCrO4 · PbO). Is alkaline lead chromate, PbCrO4 content of not less than 55%, the color is orange. Good light resistance, up to 5 ~ grade. The heat resistance was 150 °c. Water permeability and oil permeability are Grade 1. Acid resistance and alkali resistance are grade 3. |
| Use | inorganic yellow pigment. It has excellent light resistance, heat resistance, water resistance, solvent resistance, acid and alkali resistance. Can be used for a variety of thermoplastic and thermosetting plastic coloring. It can also be used in the manufacture of coatings and inks. The cultural and educational products industry is used for the manufacture of watercolors and oil-color paints. The paper industry is used for the coloring of paper. The rubber industry is used for the coloring of rubber. |
1344-37-2 - Risk and Safety
| Risk Codes | R61 - May cause harm to the unborn child R33 - Danger of cumulative effects R40 - Limited evidence of a carcinogenic effect R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R62 - Possible risk of impaired fertility |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
1344-37-2 - Upstream Downstream Industry
| Raw Materials | Sodium carbonate Sodium chromate Lead (II) sulfate Lead Nitric acid Lead(II) nitrate Lead(II) oxide Sodium Dichromate |
1344-37-2 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | inorganic yellow pigment. It has excellent light resistance, heat resistance, water resistance, solvent resistance, acid and alkali resistance. Can be used for a variety of thermoplastic and thermosetting plastic coloring. It can also be used in the manufacture of coatings and inks. The cultural and educational products industry is used for the manufacture of watercolors and oil-color paints. The paper industry is used for the coloring of paper. The rubber industry is used for the coloring of rubber. |
| production method | reaction equation: PbO HCl → Pb(OH)Cl 2Pb(OH) cl Na2Cr2O7 → 2PbCrO4 2NaCl H2O operation method: mix 1800kg lead oxide, 20kg gallic acid and 19kg hydrochloric acid in 14m3 water, stir at 40 ℃ for 180min to generate basic lead chloride, then add 783kg sodium dichromate, about 2500kg of chrome yellow pigment was obtained with 378kg of sulfuric acid, 90kg of aluminum sulfate and 2000L of water. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
Supplier List
Product Name: lead sulfochromate yellow Request for quotation
CAS: 1344-37-2
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
CAS: 1344-37-2
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Product Name: lead sulfochromate yellow Request for quotation
CAS: 1344-37-2
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
CAS: 1344-37-2
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
View History
Raw Materials for 1344-37-2