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Substance Name: Lead
RN: 7439-92-1
UNII: 2P299V784P
InChIKey: WABPQHHGFIMREM-UHFFFAOYSA-N

Note

  • A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.

Molecular Formula

  • Pb

Molecular Weight

  • 207.2
 

Classification Codes

Classification Codes

  • Human Data
  • Mutation Data
  • Reproductive Effect
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 2
  • 2011 CERCLA Priority List, Rank: 2
  • Reportable Quantity (RQ) = 10 lb
  • TWA 0.05 mg/m3; Confirmed animal carcinogen with unknown relevance to humans; BEI
  • TWA see: 1910.1025

Names and Synonyms

Name of Substance

  • Lead

MeSH Heading

  • Lead

Synonyms

  • Blei
  • C.I. 77575
  • C.I. Pigment Metal 4
  • CCRIS 1581
  • CI 77575
  • CI pigment metal 4
  • EC 231-100-4
  • EINECS 231-100-4
  • Glover
  • HSDB 231
  • KS-4
  • Lead
  • Lead element
  • Lead flake
  • Lead metal
  • Lead S 2
  • Lead S2
  • Olow
  • Olow [Polish]
  • Omaha & grant
  • Pb-S 100
  • Plumbum
  • Plumbum metallicum
  • Rough lead bullion
  • SSO 1
  • UNII-2P299V784P

Systematic Name

  • Lead

Superlist Names

  • Lead
  • Lead, elemental
  • Lead, elemental and inorganic compounds
  • Lead, inorganic

Mixture Name

  • Tinnitus

Registry Numbers

CAS Registry Number

  • 7439-92-1

FDA UNII

  • 2P299V784P

Other Registry Number

  • 724427-66-1

System Generated Number

  • 0007439921

Structure Descriptors

InChI

InChI=1S/Pb

InChIKey

WABPQHHGFIMREM-UHFFFAOYSA-N

Smiles

[Pb]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TCLo inhalation 10ug/m3 (0.01mg/m3) GASTROINTESTINAL: GASTRITIS

LIVER: OTHER CHANGES		 Vrachebnoe Delo. Medical Practice. Vol. (5), Pg. 107, 1981.
pigeon LDLo oral 160mg/kg (160mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.
rat LDLo intraperitoneal 1gm/kg (1000mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
women TDLo oral 450mg/kg/6Y (450mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS"

PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)		 JAMA, Journal of the American Medical Association. Vol. 237, Pg. 2627, 1977.