D-Alanine CAS 338-69-2 (H-DL-Val-OH) Assay 98.0~101.0% (Titration) Factory
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of D-Alanine (H-D-Ala-OH; D-Ala) (CAS: 338-69-2) with high quality. Ruifu Chemical supplys a series of amino acids & derivatives. Our products sell well in domestic and international market, trusted by customers. We can provide COA, worldwide delivery, small and bulk quantities available. If you are interested in D-Alanine, Please contact: email@example.com
|Synonyms||H-D-Ala-OH; D-Ala; D-Ala-OH; D-(-)-Alanine; Dextro-Alanine; (R)-Alanine; L-a-Alanine; D(-)-α-Alanine; D-α-Alanine; D-2-Aminopropionic Acid; (R)-2-Aminopropionic Acid; (2R)-2-(Amino)propanoic Acid
|Stock Status||In Stock, Production Capacity 500 Tons per Year|
|Water Solubility||Soluble in Water, 155 g/L (20℃), Almost Transparency|
|Solubility||Slightly Soluble in Ethanol, Insoluble in Acetone and Ether|
|Storage Temp.||Sealed in Dry, Store at Room Temperature|
|COA & MSDS||Available|
|Classification||Amino Acids and Derivatives|
|Hazard Codes||Xi - Irritant||TSCA||Yes|
|Risk Statements||36/37/38||Hazard Class||Irritant|
|Safety Statements||24/25-36-26||HS Code||2922491990|
|Appearance||White Crystals or Crystalline Powder||Conforms|
|Identification||Meets the Requirements||Conforms|
|Specific Rotation [α]20/D||-14.3° to -15.3° (C=10, 6mol/L HCl)
|State of Solution (Transmittance)||≥95.0%||98.9%|
|Heavy Metals (Pb)||≤10ppm||<10ppm|
|Loss on Drying||≤0.20% (at 105℃ for 3 hours)||0.08%|
|Residue on Ignition (Sulfated)||≤0.20%||0.06%|
|Assay||98.0 to 101.0% (Titration on Dried Basis)||99.7%|
|Conclusion||This Product by Inspection Accords with the Standard of AJI97|
|Main Uses||Chiral Chemical; Food Additive; Pharmaceutical Intermediate; etc.|
D-Alanine (H-DL-Val-OH) (CAS: 338-69-2) AJI 97 Test Method
D-Alanine, when dried, containes not less than 98.0 percent and not more than 101.0 percent of D-Alanine (C3H7NO2).
Identification: (1) To 5ml of a solution of D-Alanine (1→1000) add 1ml of 2% ninhydrin solution and heat for 3 minutes; a blue-purple color is produced.
(2) Dissolve 0.2g of D-Alanine in 10ml of dilute sulfuric acid (3→500), add 0.1g of potassium permanganate and heat on a small flame; a characteristic odor of acetaldehyde is perceptible.
Specific Rotation [α]20/D: Dried sample, C=10, 6mol/L HCl
State of Solution (Transmittance): 0.5g in 10ml of H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): 0.14g, A-1, ref: 0.40ml of 0.01mol/L HCl
Heavy Metals (Pb): 2.0g, (1), ref: 2.0ml of Pb Std. (0.01mg/ml)
Arsenic (As2O3): 1.0g, (1), ref: 2.0ml of As2O3 Std.
Loss on Drying: at 105℃ for 3 hours.
Residue on Ignition (Sulfated): AJI Test 13
Assay: Dried sample, 90mg, (1), 3ml of formic acid, 50ml of glacial acetic acid, 0.1mol/L HCLO4 1ml=8.909mg C3H7NO2
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Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
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Function And Application of D-Alanine (H-D-Ala-OH; D-Ala) (CAS: 338-69-2)
1, D-Alanine is one important organic chiral source, it is used in chiral medicine, chiral additives, and it is chiral source of chiral synthesis in pharmaceutical and food industry. As one organic acid with optical activity, D-Alanine has irreplaceable function in some chiral chemical compounds asymmetrical combined sequence. And now, D-Alanine is used to manufacture new kind of broad-spectrum, D-Alaninol and compound new sweetness-Alitame.
2, D-Alanine is essential for cell metabolism and nutrient transport in the body.
3, D-Alanine is involved in the glucose-alanine cycle between tissues and the liver.
4, D-Alanine is used as a raw material for the synthesis of novel sweeteners and some chiral drug intermediates.
5, D-Alanine is mainly used to synthesize pantothenic acid and calcium pantothenate, carnosine, pamidronate, balsalazide, etc., and is widely used in medicine, feed, food and other fields. It is also used in electroplating corrosion inhibitors and biochemical reagents.
6, D-Alanine is mainly used as nutritional supplement and flavoring in food processing industry. It can also be used in the medical industry.
7. D-Alanine has a good freshness and can promote the effects of chemical flavorings; It has a peculiar sweetness and can improve the taste of the artificial sweeteners, improve the sourness of organic acids and the flavor of vinegar; Its sourness may help salt enter vegetables, improve the quality of salted or sauce-pickled vegetables, cut short the pickling duration and improve the flavor;
8. D-Alanine can be used as a corrector or buffer in the composition of wine or soft beverage, can prevent bubble wine from ageing and can decrease the odor of yeast;
9. Its function of antioxidation can be used in food processing. For instance, it can be used in oils, yolk jam, purified foods, sauce-pickled foods, and bra -pickled foods. It can both protect them from oxidation and improve their flavor;
10. D-Alanine can be used as a raw material for Vitamin B6 synthesis and material for the research on metabolism of amino acids by medical organisms or on a biochemical basis.