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General Material Information

Preferred name butyl laevo-lactate
Trivial Name Butyl (2S)-2-hydroxypropanoate
Short Description butyl (S)-2-hydroxypropionate
Formula C7 H14 O3
CAS Number 34451-19-9
ECHA Number 252-036-3
FDA UNII 33GLZ553P8
Nikkaji Number J70.597G
Beilstein Number 1721597
MDL MFCD00066454
COE Number 372
xLogP3-AA 1.10 (est)
Bio Activity Summary External link
NMR Predictor External link
Synonyms
  • butyl (2S)-2-hydroxypropanoate
  • N- butyl (S)-(-)-2-hydroxypropionate
  • butyl (S)-(-)-lactate
  • butyl (S)-2-hydroxypropionate
  • butyl alpha-hydroxypropionate
  • butyl L-lactate
  • (-)- butyl L-lactate
  • (S)- butyl lactate
  • (2S)-2-hydroxypropanoic acid butyl ester
  • L- lactic acid n-butyl ester
  • propanoic acid, 2-hydroxy-, butyl ester, (2S)-
  • Propanoic acid, 2-hydroxy-, butyl ester, (S)-
  • (S)-(+)-Butyl lactate
  • L-Lactic acid n-butyl ester
  • (+)-Butyl lactate
  • Butyl L-(+)-lactate
  • (+)-n-Butyl lactate
  • (S)-n-Butyl lactate
  • Galaster BL97
  • (-)-Butyl L-lactate

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2918.11.5000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 146.18617248535
Specific gravity @ 25 °C
Pounds per Gallon 8.138 to 8.254
Refractive Index 1.419 to 1.429 @ 20 °C
Boiling Point 185 to 187°C @ 760 mm Hg
Boiling Point 70 to 73°C @ 11 mm Hg
Vapor Pressure 0.156 mmHg @ 25 °C
Vapor Density 4
Flash Point TCC Value 69.44 °C TCC
logP (o/w) 0.875 est
Solubility
water, 5.298e+004 mg/L @ 25 °C (est) Yes

Organoleptic Properties

Odor Type: Fermented
sweet, fruity, fermented, mushroom, milky, creamy
General comment At 100.00 %. sweet diffusive fruity fermented mushroom milky creamy
Flavor Type: Buttery
sweet, buttery, caramellic
General comment Sweet buttery caramel

Potential Uses

Applications
Odor purposes Coconut, Cream, Fungus, Pineapple, Toffee, Vanilla
Flavoring purposes Caramel, Milk, Nut

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for butyl laevo-lactate usage levels up to:
2.0000 % in the fragrance concentrate.
Recommendation for butyl laevo-lactate flavor usage levels up to:
100.0000 ppm in the finished product.

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):34451-19-9
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6999977
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
butyl (2S)-2-hydroxypropanoate
Chemidplus:0034451199
RTECS:OD4025000 for cas# 34451-19-9