Propionic acid

Names

[ CAS No. ]:
79-09-4

[ Name ]:
Propionic acid

[Synonym ]:
EINECS 201-176-3
MFCD00002756
Propionic acid

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
141.7±3.0 °C at 760 mmHg

[ Melting Point ]:
−24-−23 °C(lit.)

[ Molecular Formula ]:
C₃H₆O₂

[ Molecular Weight ]:
74.078

[ Flash Point ]:
51.7±0.0 °C

[ Exact Mass ]:
74.036781

[ PSA ]:
37.30000

[ LogP ]:
0.25

[ Vapour density ]:
2.55 (vs air)

[ Vapour Pressure ]:
4.2±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.397

[ Stability ]:
Stable. Incompatible with strong oxidizing agents. Flammable.

[ Water Solubility ]:
37 g/100 mL

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UE5950000

CHEMICAL NAME :: Propionic acid

CAS REGISTRY NUMBER :: 79-09-4

BEILSTEIN REFERENCE NO. :: 0506071

LAST UPDATED :: 199712

DATA ITEMS CITED :: 39

MOLECULAR FORMULA :: C3-H6-O2

MOLECULAR WEIGHT :: 74.09

WISWESSER LINE NOTATION :: QV2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1510 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 625 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1370 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 500 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1900 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 1640 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14 gm/kg/7D-C

TOXIC EFFECTS :: Gastrointestinal - other changes

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 23 mg/m3/24H/30D-C

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4598 mg/kg/9W-I

TOXIC EFFECTS :: Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 33600 mg/kg/7D-C

TOXIC EFFECTS :: Gastrointestinal - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 42 gm/kg/7D-C

TOXIC EFFECTS :: Gastrointestinal - other changes

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Human Lymphocyte

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 279,75,1992 *** REVIEWS *** ACGIH TLV-TWA 30 mg/m3 (10 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,100,1960 *** 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 ppm (30 mg/m3);STEL 15 ppm (45 mg/m3) JAN 1993 OEL-BELGIUM:TWA 10 ppm (30 mg/m3);STEL 15 ppm (45 mg/m3) JAN 1993 OEL-DENMARK:TWA 10 ppm (30 mg/m3) JAN 1993 OEL-FRANCE:TWA 10 ppm (30 mg/m3) JAN 1993 OEL-GERMANY:TWA 10 ppm (30 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 10 ppm (30 mg/m3) JAN 1993 OEL-RUSSIA:STEL 20 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 10 ppm (30 mg/m3);STEL 20 ppm (60 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 10 ppm (30 mg/m3);STEL 15 ppm (45 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO PROPIONIC ACID-air:10H TWA 10 ppm;STEL 15 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 62460 No. of Facilities: 429 (estimated) No. of Industries: 9 No. of Occupations: 19 No. of Employees: 8081 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 62460 No. of Facilities: 1411 (estimated) No. of Industries: 30 No. of Occupations: 42 No. of Employees: 31092 (estimated) No. of Female Employees: 8489 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H314-H335

[ Precautionary Statements ]:
P210-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P235

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
C:Corrosive

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S26-S36-S45-S23

[ RIDADR ]:
UN 3463 8/PG 2

[ WGK Germany ]:
1

[ RTECS ]:
UE5950000

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2915501000

Customs

[ HS Code ]: 2915501000

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