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Substance Name: Taurine [USP:INN:BAN]
RN: 107-35-7
UNII: 1EQV5MLY3D
InChIKey: XOAAWQZATWQOTB-UHFFFAOYSA-N

Note

  • A conditionally essential nutrient, important during mammalian development. It is present in milk but is isolated mostly from ox bile and strongly conjugates bile acids.

Molecular Formula

  • C2-H7-N-O3-S

Molecular Weight

  • 125.1473
 

Classification Codes

  • Drug / Therapeutic Agent
  • Mutation Data
  • Reproductive Effect

Names and Synonyms

Name of Substance

  • Taurine
  • Taurine [USP:INN:BAN]

MeSH Heading

  • Taurine

Synonyms

  • 2-Aminoethanesulfonic acid
  • 2-Aminoethylsulfonic acid
  • 2-Sulfoethylamine
  • AI3-18307
  • Aminoethanesulfonic acid
  • Aminoethylsulfonic acid
  • beta-Aminoethylsulfonic acid
  • CCRIS 4721
  • EC 203-483-8
  • EINECS 203-483-8
  • FEMA No. 3813
  • HSDB 8167
  • NCI-C60606
  • NSC 32428
  • O-Due
  • Taufon
  • Tauphon
  • Taurina
  • Taurina [Spanish]
  • Taurine
  • Taurinum
  • Taurinum [Latin]
  • UNII-1EQV5MLY3D

Systematic Names

  • Ethanesulfonic acid, 2-amino-
  • L-Taurine
  • Taurine

Superlist Name

  • Taurine

Registry Numbers

CAS Registry Number

  • 107-35-7

FDA UNII

  • 1EQV5MLY3D

Other Registry Numbers

  • 1365481-05-5
  • 2087491-53-8
  • 91105-79-2

System Generated Number

  • 0000107357

Structure Descriptors

InChI

1S/C2H7NO3S/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6)

InChIKey

XOAAWQZATWQOTB-UHFFFAOYSA-N

Smiles

NCCS(O)(=O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 intravenous > 2gm/kg (2000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 19, Pg. 2677, 1991.
mammal (species unspecified) LD oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989.
mouse LD50 intramuscular > 7gm/kg (7000mg/kg)   Drugs in Japan Vol. -, Pg. 51, 1990.
mouse LD50 intraperitoneal 6630mg/kg (6630mg/kg)   Yaoxue Tongbao. Bulletin of Pharmacology. Vol. 18, Pg. 658, 1983.
mouse LD50 intravenous > 7gm/kg (7000mg/kg)   Drugs in Japan Vol. -, Pg. 51, 1990.
mouse LD50 oral > 7gm/kg (7000mg/kg)   Drugs in Japan Vol. -, Pg. 51, 1990.
mouse LD50 subcutaneous 6gm/kg (6000mg/kg)   Quarterly Journal of Pharmacy & Pharmacology. Vol. 19, Pg. 48, 1946.
rabbit LD50 intravenous > 1gm/kg (1000mg/kg)   Drugs in Japan Vol. -, Pg. 51, 1990.
rat LD50 intravenous > 7gm/kg (7000mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 19, Pg. 2671, 1991.
rat LD50 oral > 5gm/kg (5000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 19, Pg. 2671, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 328 deg C   EXP
log P (octanol-water) -3.360 (none)   EST
Water Solubility 8.07E+04 mg/L 20 EXP
Vapor Pressure 1.72E-04 mm Hg 25 EST
Henry's Law Constant 1.72E-12 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.30E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.