Properties of DL-tartaric acid CAS 133-37-9

DL-Tartaric Acid is appraised as an excellent food additive by the FAO/WHO experts committee. It is also very important for the tannage, photograph, glass, enamel and telecommunication equipment industries.

Description of DL-tartaric acid

Properties	Colorless semi-transparent crystal or white fine to coarse crystalline powder with sour taste.
	Chemical name	(2S,3S)-2,3-dihydroxybutanedioic acid
	Molecular formula	C4H6O6
	Structural formula
	Molecular weight	150.09
Quality index		Monohydrate (C4H6O6·H2O)	Anhydride (C4H6O6)
	Content	≥99.5%	≥99.5%
	Melting range	200~206	200~206
	Heavy metal (Pb)	≤0.001%	≤0.001%
	Ignition residue	≤0.1%	≤0.1%
	Heating loss	≤11.5%	≤0.5%
	Arsenic (As)	≤0.0002%	≤0.0002%
	Readily oxidizable substance	Pass the test	Pass the test
	Sulfate test		≤0.04%
Main functions and uses	DL-tartaric acid is widely used in food, pharmaceutical, chemical, light industry and other industries as beer foaming agent, food sour agent, and flavoring agent. It pays an important role in the industries such as tannking, photography, glass, enamel, telecommunication apparatus, and etc.
Packing	25KG composite paper bag lined with PE bag, 20' container can hold 20 tons (pallet).
Storage	Keep in dry, cool and shading place.

Qingdao Xigema Chemical Co., Ltd. Import And Export 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 Xigema 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.

Qingdao Xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".Qingdao Xigema has 21 subsidiaries and holding companies.

Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
 
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
 
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
 
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.