Citric Acid

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Names

[ CAS No. ]:
77-92-9

[ Name ]:
Citric Acid

[Synonym ]:
3'-hydroxybiphenyl-3-carboxylic acid
MFCD00163176
3-hydroxy-3-carboxy-pentanedioic acid
3'-hydroxy-3-biphenylcarboxylic acid
Citric acid
EINECS 201-069-1

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
309.6±42.0 °C at 760 mmHg

[ Melting Point ]:
153-159 °C(lit.)

[ Molecular Formula ]:
C6H8O7

[ Molecular Weight ]:
192.124

[ Flash Point ]:
155.2±24.4 °C

[ Exact Mass ]:
192.027008

[ PSA ]:
132.13000

[ LogP ]:
-1.72

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.575

[ Storage condition ]:
Store at RT.

[ Stability ]:
Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates.

[ Water Solubility ]:
750 g/L (20 ºC)

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GE7350000
CHEMICAL NAME :
Citric acid
CAS REGISTRY NUMBER :
77-92-9
BEILSTEIN REFERENCE NO. :
0782061
LAST UPDATED :
199710
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C6-H8-O7
MOLECULAR WEIGHT :
192.14
WISWESSER LINE NOTATION :
QV1XQVQ1VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,658,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,658,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
290 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (5),9,1994
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5500 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Musculoskeletal - other changes
REFERENCE :
TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 30,25,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5040 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Musculoskeletal - other changes
REFERENCE :
TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 30,25,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
903 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 62,203,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2700 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Musculoskeletal - other changes
REFERENCE :
TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 30,25,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
42 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
7 gm/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - muscle contraction or spasticity
REFERENCE :
IECHAD Industrial and Engineering Chemistry. (Washington, DC) V.15-62, 1923-70. For publisher information, see CHMTBL. Volume(issue)/page/year: 15,628,1923
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
330 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 19680 No. of Facilities: 28313 (estimated) No. of Industries: 157 No. of Occupations: 112 No. of Employees: 307205 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1191 No. of Facilities: 22 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 130 (estimated) No. of Female Employees: 108 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 19680 No. of Facilities: 49113 (estimated) No. of Industries: 244 No. of Occupations: 182 No. of Employees: 1691218 (estimated) No. of Female Employees: 1083005 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H319

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P337 + P313

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S39-S37/39-S24/25-S36/37/39-S45

[ RIDADR ]:
UN 1789 8/PG 3

[ WGK Germany ]:
1

[ RTECS ]:
GE7350000

[ HS Code ]:
2918140000

Synthetic Route

Precursor & DownStream

Precursor

  • ketipic acid
  • parishin acetate
  • 4-(Hydroxymethyl)tetrahydro-4-pyranol
  • D-(+)-Glucose
  • sucrose
  • 4-Methylenetetrahydro-2H-pyran
  • 3-(hydroxymethyl)pentane-1,3,5-triol
  • Cellobiose
  • Dimethyl 3-oxoglutarate

DownStream

  • 2-[5-oxo-4-(2-oxo-2-prop-2-enoxyethyl)-1,3-dioxolan-4-yl]acetic acid
  • Diethyl 3-hydroxypentanedioate
  • Zinc citrate dihydrate
  • Citraconic acid
  • Itaconic acid
  • 1-Propene-1,2,3-tricarboxylic acid
  • Carbon dioxide
  • Oxaloacetic acid
  • L-Lactic acid
  • D-(−)-Lactic acid

Customs

[ HS Code ]: 2918140000

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Related Compounds

  • Citric acid
  • Citric acid
  • citric acid
  • citric acid
  • Citric acid 3Na
  • Homocitric acid
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  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • azepan-1-yl(1-(4-fluorophenyl)-4-methoxy-1H-pyrazol-3-yl)methanone
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide