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CAS RN: 70728-23-3 | Product Number: D2645

(-)-Diacetyl-D-tartaric Anhydride


Purity: >98.0%(T)
Synonyms:
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Product Number D2645
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__8H__8O__7 = 216.15 
Physical State (20 deg.C) Solid
Storage Temperature <0°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive,Heat Sensitive
CAS RN 70728-23-3
Reaxys Registry Number 4190439
PubChem Substance ID 87569066
SDBS (AIST Spectral DB) 41107
MDL Number

MFCD02093461

Specifications
Appearance White to Almost white powder to crystal
Purity(Methanolysis Method) min. 98.0 %
Melting point 133.0 to 136.0 °C
Specific rotation [a]20/D -93.0 to -98.0 deg(C=0.5, CHCl3)
Properties (reference)
Melting Point 134 °C
Specific Rotation -96° (C=0.5,CHCl3)
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
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