lactide

Names

[ CAS No. ]:
95-96-5

[ Name ]:
lactide

[Synonym ]:
L-(-)-Dilactide
(3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione
L-(-)-Lactide
3,6-Dimethyl-1,4-dioxane-2,5-dione
1,4-Dioxane-2,5-dione, 3,6-dimethyl-
EINECS 202-468-3
UNII:7EH08MWO6M
L-Lactide
MFCD00011685
DL-Lactide
lactide
(3S,6S)-(-)-3,6-Dimethyl-1,4-dioxane-2,5-dione
Propanoic acid, 2-hydroxy-, bimol. cyclic ester

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
285.5±15.0 °C at 760 mmHg

[ Melting Point ]:
116-119ºC

[ Molecular Formula ]:
C₆H₈O₄

[ Molecular Weight ]:
144.125

[ Flash Point ]:
150.6±18.8 °C

[ Exact Mass ]:
144.042252

[ PSA ]:
52.60000

[ LogP ]:
-1.45

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.429

[ Storage condition ]:
2~8℃

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JH1100000

CHEMICAL NAME :: 1,4-Dioxane-2,5-dione, 3,6-dimethyl-

CAS REGISTRY NUMBER :: 95-96-5

LAST UPDATED :: 199712

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H8-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 35 gm/kg/2W-I

TOXIC EFFECTS :: Gastrointestinal - changes in structure or function of esophagus Gastrointestinal - ulceration or bleeding from stomach Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 36(1, Pt 2),274,1997

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 9100 mg/kg/13W-I

TOXIC EFFECTS :: Gastrointestinal - ulceration or bleeding from stomach

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 36(1, Pt 2),274,1997

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H319

[ Precautionary Statements ]:
P305 + P351 + P338

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

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3.0

[ RTECS ]:
JH1100000

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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