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(+)-DIACETYL-L-TARTARIC ANHYDRIDE

CAS No.: 6283-74-5

Chemical Name:: (+)-DIACETYL-L-TARTARIC ANHYDRIDE

Synonyms: DATA;NSC 7712;DIACETYL-L-TARTARIC ANHYDRIDE;DI-O-ACETYL-L-TARTARIC ANHYDRIDE;(+)-DIACETYL-L-TARTARIC ANHYDRIDE;(+)-Diacetyl-L-tartaric Anhydride;(+)-DI-O-ACETYL-L-WEINSURE-ANHYDRID;(+)-Diacetyl-L-tartaricAnhydride>(+)-DI-O-ACETYL-L-TARTARIC ANHYDRIDE;O,O-diacetyl tartaric acid anhydride

CBNumber:: CB0717661

Molecular Formula:: C8H8O7

Molecular Weight:: 216.14

MOL File:: 6283-74-5.mol

MSDS File:: SDS

Modify Date:: 2023/4/23 13:52:06

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(+)-DIACETYL-L-TARTARIC ANHYDRIDE Properties

Melting point	130-135 °C(lit.)
Boiling point	316.55°C (rough estimate)
Density	1.5197 (rough estimate)
refractive index	90 ° (C=0.5, CHCl3)
storage temp.	2-8°C
solubility	Acetone, Chloroform (Slightly, Heated)
form	Crystals or Needles
color	White
optical activity	[α]20/D +59°, c = 6 in acetone
Water Solubility	Soluble in methanol and dichloromethane. Slightly soluble in water.
Sensitive	Moisture Sensitive
BRN	87315
CAS DataBase Reference	6283-74-5(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

3-10-21

HS Code

29321900

NFPA 704

	1
2		0

(+)-DIACETYL-L-TARTARIC ANHYDRIDE price More Price(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich(India)	358924	(+)-O,O′-Diacetyl-L-tartaric anhydride 97%	6283-74-5	50G	₹9374.45	2022-06-14	Buy
TCI Chemicals (India)	D1911	(+)-Diacetyl-L-tartaric Anhydride	6283-74-5	25G	₹5300	2022-05-26	Buy

Product number	Packaging	Price	Buy
358924	50G	₹9374.45	Buy
D1911	25G	₹5300	Buy

(+)-DIACETYL-L-TARTARIC ANHYDRIDE Chemical Properties,Uses,Production

Chemical Properties

White Crystalline Solid

Uses

Di-O-acetyl-L-tartaric Anhydride (cas# 6283-74-5) is a compound useful in organic synthesis.

General Description

(+)-O,O′-Diacetyl-L-tartaric anhydride is an HPLC derivatization reagent for UV/Vis detection. It is mainly employed as a reagent for the chiral derivatization of amino alcohols. It also reacts with alkanoamines in aprotic medium containing trichloroacetic acid and produces tartaric acid monoesters.

Purification Methods

If the IR is good, i.e. no OH bands, then keep it in a vacuum desiccator overnight (over P2O5/paraffin) before use. If OH bands are present then reflux 4g in Ac2O (12.6mL) containing a few drops of conc H2SO4 for 10minutes (use a relatively large flask), pour onto ice, collect the crystals, wash with dry *C6H6 (2 x 2mL), stir with 17mL of cold Et2O, filter and dry in it a vacuum desiccator as above, or store it in dark evacuated ampoules under N2 in small aliquots. It is not very stable in air, the melting point of the crystals drop one degree in the first four days then remains constant (132-134o). If placed in a stoppered bottle, it becomes gummy and the m falls 100o in three days. Recrystllisation leads to decomposition. If good quality anhydride is required it, should be prepared freshly from tartaric acid. It sublimes in a CO2 atmosphere. [Shriner & Furrow Org Synth Coll Vol IV 242 1963, Bell Aust J Chem 34 671 1981, Beilstein 18 III/IV 2296.]

(+)-DIACETYL-L-TARTARIC ANHYDRIDE Preparation Products And Raw materials

Raw materials

Preparation Products

(R,R)-Tartaric Acid Monomethyl Ester Diacetate

(+)-DIACETYL-L-TARTARIC ANHYDRIDE Suppliers

Global( 131)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
CHEMSWORTH	+91-261-2397244	New Delhi, India	6707	30	Inquiry
A.J Chemicals	91-9810153283	New Delhi, India	6124	58	Inquiry
CLEARSYNTH LABS LTD.	+91-22-45045900	Hyderabad, India	6351	58	Inquiry
TCI Chemicals (India) Pvt. Ltd.	1800 425 7889	New Delhi, India	6778	58	Inquiry
Alfa Aesar	1 800 209 7001	Maharashtra, India	6913	58	Inquiry
CONIER CHEM AND PHARMA LIMITED	+8618523575427	China	49391	58	Inquiry
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	China	12917	58	Inquiry
Hefei TNJ Chemical Industry Co.,Ltd.	0551-65418671	China	34571	58	Inquiry
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	China	23556	58	Inquiry
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	China	52861	58	Inquiry

Supplier	Advantage
CHEMSWORTH	30
A.J Chemicals	58
CLEARSYNTH LABS LTD.	58
TCI Chemicals (India) Pvt. Ltd.	58
Alfa Aesar	58
CONIER CHEM AND PHARMA LIMITED	58
Zhengzhou Alfa Chemical Co.,Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Dayang Chem (Hangzhou) Co.,Ltd.	58

(+)-DIACETYL-L-TARTARIC ANHYDRIDE Spectrum

(+)-DIACETYL-L-TARTARIC ANHYDRIDE(6283-74-5)¹HNMR (+)-DIACETYL-L-TARTARIC ANHYDRIDE(6283-74-5)IR (+)-DIACETYL-L-TARTARIC ANHYDRIDE(6283-74-5)Raman

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(R,R)-DIACETYLTARTARIC ACID ANHYDRIDE (+)-DIACETYL-L-TARTARIC ANHYDRIDE DIACETYL-L-TARTARIC ANHYDRIDE DATA (+)-DI-O-ACETYL-L-TARTARIC ACID ANHYDRIDE (+)-DI-O-ACETYL-L-TARTARIC ANHYDRIDE DI-O-ACETYL-L-TARTARIC ANHYDRIDE L-(+)-O,O'-DIACETYL-TARTARIC ACID ANHYDRIDE (3R-trans)-dihydro-2,5-dioxofuran-3,4-diyl diacetate (+)-DI-O-ACETYLTARTARIC ACID ANHYDRIDE L-(+)-3,4-DIACETOXYTETRAHYDROFURAN-2,5-DIONE (+)-O,Oμ-Diacetyl-L-tartaric anhydride (+)-2-O,3-O-Diacetyl-L-tartaric anhydride (2R,3R)-2,3-Diacetoxysuccinic anhydride (3R)-2,5-Dioxotetrahydrofuran-3α,4β-diol diacetate (3R)-3α,4β-Bis(acetyloxy)-3,4-dihydro-2,5-furandione (3R)-3α,4β-Diacetoxyoxolane-2,5-dione [3R,4R,(+)]-3,4-Di(acetyloxy)-3,4-dihydrofuran-2,5-dione (+)-Diacetyl-L-tartaric anhydride,97% (+)-DI-O-ACETYL-L-WEINSURE-ANHYDRID O,O-diacetyl tartaric acid anhydride (+)-Diacetyl-L-tartaric anhydride, 97% 25GR (2R,3R)-Di-O-acetyltartaric Acid Anhydride (3R,4R)-3,4-Bis(acetyloxy)dihydro-2,5-furandione (R,R)-2,3-Diacetoxy-1,4-butanedioic Anhydride NSC 7712 (3R,4R)-2,5-Dioxotetrahydrofuran-3,4-diyl diacetate 2,5-Furandione, 3,4-bis(acetyloxy)dihydro-, (3R,4R)- (+)-O,O'-Diacetyl-L-tartaric anhydride 97% (+)-Diacetyl-L-tartaricAnhydride> (+)-O,O'-Diacetyl-L-tartaric anhydride Di-O-Acetyl-L-tartaric anhydrideQ: What is Di-O-Acetyl-L-tartaric anhydride Q: What is the CAS Number of Di-O-Acetyl-L-tartaric anhydride Q: What is the storage condition of Di-O-Acetyl-L-tartaric anhydride (+)-Diacetyl-L-tartaric Anhydride (AOTH) (+)-DIACETYL-L-TARTARIC ANHYDRIDE 6283-74-5 C8H8O7 for Resolution of Bases Optical Resolution Asymmetric Synthesis Chiral Resolution Reagents Chiral Resolving Reagents UV-VIS Chiral Reagents for Resolution of Bases Optical Resolution Synthetic Organic Chemistry