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Shanghai Exquisite Biochemical Co., Ltd

Worldwide Headquarters:

Add:11th Floor, Building 4, Zhonghao International Business Center, No.672 Xintang Road, Hangzhou, China

Tel: 0086-18069831891/ 0086-571- 86815103


Shanghai office:

Add:1st Floor, Building 1, No 508, Chuanhong Road, Pudong New Area, Shanghai, China.



  • Vitamin B1
  • Purity: USP, BP, EP and ChP
  • Capacity: 1000mt/month
  • Package:25kg
  • Shipment: immediately
  • Payment: T/T, LC , DA, DP, Credit Card, Paypal
  • Email :
  • Tel : +86-18616812527

Product infoSDS

Vitamin B1 

Vitamin B1(Thiamine Mononitrate)

1. Product name: vitamin B1 (thiamine mononitrate)
Chemical name: 4-methyl -3-[(2-methyl -4-amino -5-pyrimidyl) methyl]-5-(2- hydroxy ethyl) thiazolium nitrate
2. Molecular formula: C12H17N5O4S  Molecular weight: 327.37
Structural formula: 

Vitamin B1 (thiamine hydrochloride)

1. Product name: vitamin B1 (thiamine hydrochloride)
Chemical name: 3-[(4-amino-2-methyl-5-pyrimidyl) methyl]-5-(2-ethoxy)-4- methyl thiazolium hydrochloride
2. Molecular formula: C12H17ClN4OS·HCl  Molecular weight: 337. 27
Structural formula

3. Physicochemical properties
This product is a white crystal or crystal powder, with a mild special odor and bitter in taste. The dry product swiftly absorbs the moisture in the air. It is easily soluble in water, slightly soluble in ethanol, and insoluble in diethyl ether or benzene.
4. Clinical application: 
(1) It is used to prevent and treat the deficiency of vitamin B1, “beriberi” or Wernicke's encephalopathy, and also for auxiliary treatment of various diseases, such as neuritis, myocarditis and dyspepsia, etc. 
(2) To supplement vitamin B1
① For patients with burns, fever, or lasting chronic infections.
② For patients with malabsorption syndrome combined with hepatobiliary diseases (e.g., alcoholic intoxication combined with liver cirrhosis), small intestinal diseases (e.g., celiac disease, tropical sprue, lasting diarrhea, Crohn's disease and ileal resection), post gastrectomy, hyperthyroidism or who have received hemodialysis.
③Patients with malnutrition caused by parenteral nutrition or insufficient intake, or heavy workers
④ Pregnant or lactating women. 
(3) The use of large doses of vitamin B1 is able to improve the symptoms of hereditary enzyme deficiency disease, such as subacute necrotizing encephalomyelopathy (Leigh's disease), branched-chain ketoaciduria (Maple syrup urine disease), lactic acidosis, and intermittent cerebellar ataxia.
5. Non-medical application: 
(1) It is used as a nutritional supplement. 
(2) As a food additive, it is used in various sports beverages in trace amounts to supplement vitamin B1 needed in the human body.
6. Applicable scope: 

It can be used as a feed additive, food additive and bulk pharmaceutical chemical.
7. Pharmacopeia for reference:

 USP, BP, EP and ChP.
8. Package: 

25 kg/carton or fiber can, or 500 kg/ton bag. It is sealed for storage, away from light.

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