Lead chromate - for elemental analysis, 0.8-2mm , CAS No.7758-97-6

CAS: 7758-97-6 Cat. No.: L124416 Molecular Weight: 323.19 EC Number: 231-846-0

GRADE & PURITY for Elemental analysis, 0.8-2mm

Synonyms

Lead chromate(VI) | DTXSID1064792 | LEAD CHROMATE(VI) [MI] | MFCD00011158 | dioxido(dioxo)chromium;lead(2+) | CCRIS 357 | Lead chrome yellow | UNII-AA3229AOUS | Chromate de plomb [French] | Chromic acid, lead(2+) salt (1:1) | Phoenicochroite | AA3229AOUS

Storage

Room temperature

Shipped In

FedEx DG Service

Specifications

Synonyms

Lead chromate(VI) | DTXSID1064792 | LEAD CHROMATE(VI) [MI] | MFCD00011158 | dioxido(dioxo)chromium;lead(2+) | CCRIS 357 | Lead chrome yellow | UNII-AA3229AOUS | Chromate de plomb [French] | Chromic acid, lead(2+) salt (1:1) | Phoenicochroite | AA3229AOUS

Specifications & Purity

for elemental analysis, 0.8-2mm

Storage

Room temperature

Shipped In

FedEx DG Service

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

for Elemental analysis

Names and Identifiers

• Canonical Smiles: [O-][Cr](=O)(=O)[O-].[Pb+2]
• IUPAC Name: dioxido(dioxo)chromium;lead(2+)
• InChIKey: MOUPNEIJQCETIW-UHFFFAOYSA-N
• INCHI: 1S/Cr.4O.Pb/q;;;2*-1;+2
• Isomeric SMILES: [O-][Cr](=O)(=O)[O-].[Pb+2]
• WGK Germany: 3
• RTECS: GB2975000
• UN Number: 3085
• Packing Group: I
• Molecular Weight: 323.19
• Reaxy-Rn: 14330587
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14330587&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Post-transition metal oxoanionic compounds
      • Subclass Post-transition metal chromates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Post-transition metal oxoanionic compounds
• Subclass: Post-transition metal chromates
• Intermediate Tree Nodes: Not available
• Direct Parent: Post-transition metal chromates
• Alternative Parents: Miscellaneous chromates Post-transition metal salts Inorganic oxides Inorganic lead salts
• Molecular Framework: Not available
• Substituents: Post-transition metal chromate - Chromate - Inorganic lead salt - Inorganic post-transition metal salt - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as post-transition metal chromates. These are inorganic compounds in which the largest oxoanion is chromate, and in which the heaviest atom is a post-transition metal.
• External Descriptors: lead coordination entity - chromium coordination entity

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Melt Point(°C): 844°C
• Molecular Weight: 323.000 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 323.897 Da
• Monoisotopic Mass: 323.897 Da
• Topological Polar Surface Area: 80.300 Ų
• Heavy Atom Count: 6
• Formal Charge: 0
• Complexity: 62.200
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

1. Han Gao, Huixin Li, Xinwei Zhou, Jing Wei, Xiaolei Qu, Tao Long.  (2023)  Effect of low molecular weight organic acids on the lead and chromium release from widely-used lead chromate pigments under sunlight irradiation.  ENVIRONMENTAL POLLUTION,      [PMID:37716691] [10.1016/j.envpol.2023.122553]

2. Zhao HaiBo, Liu Peng, Huang YanYan, Zhang HongBin.  (2023)  Nanocomposites composed of modified natural polymer and inorganic nanomaterial for safe, high-efficiency, multifunctional protection of paper-based relics.  Science China-Technological Sciences,  66  (8): (2225-2236).  [PMID:] [10.1007/s11431-022-2391-6]

3. Hongwei Luo, Yu Li, Yaoyao Zhao, Yahui Xiang, Dongqin He, Xiangliang Pan.  (2019)  Effects of accelerated aging on characteristics, leaching, and toxicity of commercial lead chromate pigmented microplastics.  ENVIRONMENTAL POLLUTION,      [PMID:31706764] [10.1016/j.envpol.2019.113475]