Thiamine hydrochloride
Molecular Formula:
C12H18Cl2N4OS
Molecular Weight:
337.27
Alias:
硫胺素盐酸盐;维生素B1盐酸盐;盐酸噻胺;硫胺盐酸盐;维生素B1;盐酸硫胺素;维生素B1盐酸;辅羧酶(四水)
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Thiamine hydrochloride |
99.7% |
50mg |
RMB 700 |
Consulting service |
Character:
白色至黄白色细小结晶,或结晶性粉末,略有米糖似的特异臭,味苦,易吸湿,干燥品在空气中迅速吸收约4%的水分。本品1g约可溶于是1mL水和100mL乙醇中,可溶于甘油而不溶于乙醚和苯。熔点约248℃(有分解)。在酸性条件下对热较稳定,pH等于3时,即使高压蒸煮至140℃1h,破坏亦很少。但在中性及碱性溶液中易分解,若在pH大于7的情况下煮沸,则大部分或全部破坏,甚至在室温下贮存亦可逐渐破坏。氧化或还原作用均可使其失去活性。
由丙烯腈经过缩醛物、乙酰嘧啶、硝酸硫胺,再转化成盐酸硫胺。也可由乙-甲基呋喃和丁烯腈等,或由β-乙氧基丙酸乙酯和甲酸乙酯等合成。
Quality Standard:
熔点 250 °C (dec.)(lit.)
FEMA 3322
储存条件 2-8°C
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