n-Butyl lactate

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Names

[ CAS No. ]:
138-22-7

[ Name ]:
n-Butyl lactate

[Synonym ]:
Propanoic acid, 2-hydroxy-, butyl ester
UNII:0UI63W814U
MFCD00004519
n-Butyl lactate
Lactic Acid Butyl Ester
Butyl 2-hydroxypropanoate
EINECS 205-316-4
Butyl 2-Hydroxypropionate
Butyl Lactate

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
189.4±8.0 °C at 760 mmHg

[ Melting Point ]:
−28 °C(lit.)

[ Molecular Formula ]:
C7H14O3

[ Molecular Weight ]:
146.184

[ Flash Point ]:
69.4±0.0 °C

[ Exact Mass ]:
146.094299

[ PSA ]:
46.53000

[ LogP ]:
0.88

[ Vapour density ]:
5.04 (vs air)

[ Vapour Pressure ]:
0.2±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.432

[ Water Solubility ]:
42 g/L (25 ºC)

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OD4025000
CHEMICAL NAME :
Lactic acid, butyl ester
CAS REGISTRY NUMBER :
138-22-7
BEILSTEIN REFERENCE NO. :
1721597
LAST UPDATED :
199712
DATA ITEMS CITED :
21
MOLECULAR FORMULA :
C7-H14-O3
MOLECULAR WEIGHT :
146.21
WISWESSER LINE NOTATION :
QY1&VO4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
12 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015) Volume(issue)/page/year: 1,15,1974
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
11 gm/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979 *** REVIEWS *** ACGIH TLV-TWA 30 mg/m3 (5 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1 ppm (5 mg/m3) 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: 3,33,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-BELGIUM:TWA 5 ppm (30 mg/m3) JAN 1993 OEL-DENMARK:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-FINLAND:TWA 1 ppm (6 mg/m3);STEL 3 ppm (18 mg/m3) JAN 1993 OEL-FRANCE:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (30 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (25 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 n-BUTYL LACTATE-air:10H TWA 5 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 - M1128 No. of Facilities: 242 (estimated) No. of Industries: 8 No. of Occupations: 10 No. of Employees: 3107 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1128 No. of Facilities: 170 (estimated) No. of Industries: 9 No. of Occupations: 15 No. of Employees: 5342 (estimated) No. of Female Employees: 1381 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

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

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S37/39

[ WGK Germany ]:
2

[ RTECS ]:
OD4025000

[ Packaging Group ]:
I; II; III

[ HS Code ]:
2918110000

Synthetic Route

Precursor & DownStream

Precursor

  • Ammonium lactate
  • Butanol
  • 2-hydroxypropionic acid
  • Ethyl lactate
  • isopropyl lactate
  • 1,3-Dihydroxyacetone Dimer
  • 1,3-Dihydroxyacetone
  • DL-Glyceric aldehyde
  • Methylglyoxal
  • D-(−)-Lactic acid

DownStream

  • n-Butyl lactate
  • (R)-O-acetyl-(n-butyl)lactate
  • 1-(Dibromomethyl)-3-phenoxybenzene
  • ch3cho
  • Acrylic acid
  • butyl acrylate
  • Propanoic acid,2-hydroxy-, 2-butoxy-1-methyl-2-oxoethyl ester
  • Butyl pyruvate
  • Lactic acid, butylester, DL-, DL-2-(2,4,5-trichlorophenoxy)propionate (8CI)
  • 1,2-Benzenedicarboxylicacid, 1-(2-butoxy-1-methyl-2-oxoethyl) 2-butyl ester

Customs

[ HS Code ]: 2918110000

[ Summary ]:
2918110000. lactic acid, its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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Related Compounds

  • n-Butyl lactate
  • (R)-n-butyl lactate
  • (S)-O-acetyl-n-butyl lactate
  • (R)-O-acetyl-n-butyl lactate
  • Propanoic acid,2-(acetyloxy)-, butyl ester
  • N-butyl-N-methylmorpholine-4-carboxamide