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citric acid
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Basic
Common Name Citric Acid
CAS Number 77-92-9
Molecular Weight 192.124
Density 1.8±0.1 g/cm3
Boiling Point 309.6±42.0 °C at 760 mmHg
Molecular Formula C6H8O7
Melting Point 153-159 °C(lit.)
MSDS Chinese USA
Flash Point 155.2±24.4 °C
Symbol GHS07
Signal Word Warning
Physical Chemistry
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)
Toxicity
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
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
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