Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5

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Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5
Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5

Top quality (+)-Dibenzoyl-D-tartaric acid with best price 17026-42-5

  • Item No.top
    MOQ1 Kilogram
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From $40.0015.00 / Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
Product name (+)-Dibenzoyl-D-tartaric acid
Appearance white powder
Place of Origin CN;SHN
Boiling point 450.75°C (rough estimate)
Brand Name QDXIGEMA
storage temp Refrigerator
Model Number top
Application Pharmaceutical Intermediates
Color White to yellow
density 1.3806 (rough estimate)
Formpowder
Melting point 154-156 °C(lit.)
Molecular Weight 358.3
Shelf Life 2 years
Refractive Index 1.5500 (estimate)
Type Pharmaceutical Intermediates
CAS No. 17026-42-5
MFC18H14O8
EINECS No. 241-097-1
Purity99%

Packaging & Delivery

Selling Units:
Kilogram
Product Description

    Product Description

                                               

Product Name

(+)-Dibenzoyl-D-tartaric acid

Synonyms

[S-(R*,R*)]-2,3-Bis(benzoyloxy)succinic acid; (-)-Di-1,4-O-benzoyl-L-tartaric acid; D-Tartaric acid 2,3-dibenzoate

CAS NO.

17026-42-5

MolecularFormula

C18H14O8

Molecular Weight

358.30

Melting point

150-155 ºC

Standard

99%

Appearance

White or off-white crystalline powder

Applications

Pharmaceutical Intermediates

Status

Commercials

   Certification of Analysis

 

 

Appearance
White to kind of white crystal powder
Assay
98.0~101.0%
Melting Point(°C)
193~195°C
Rotation
+165±2°(c=1,EtOH)
Loss on drying
≤0.5%
HPLC
≥99.0%
 

 

                          Function&Application

Tartaric acid may be most immediately recognizable to wine drinkers as the source of"wine diamonds", the small potassium bitartrate crystals that sometimes form spontaneously on the cork or bottom of the bottle. These"tartrates" are harmless, despite sometimes being mistaken for broken glass, and are prevented in many wines through cold stabilization (which is not always preferred since it can change the wine's profile). The tartrates remaining on the inside of aging barrels were at one time a major industrial source of potassium bitartrate.

Tartaric acid plays an important role chemically, lowering the pH of fermenting"must" to a level where many undesirable spoilage bacteria cannot live, and acting as a preservative after fermentation. In the mouth, tartaric acid provides some of the tartness in the wine, although citric and malic acids also play a role.

 

 

Packaging & Shipping

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Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

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FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
 
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Q4:Can you give me a discount price?
Surely,It depend on your qty
 
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
 
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
 
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
 
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