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饲料级维生素C磷酸酯35% 水产饲料添加剂

产品类别:维生素类
地区:中国
产品品牌:暂未提供
价格:16.5

发送询盘

成立年份:1985

业务类型:制造商,贸易公司

主营产品:原料药,食品添加剂,饲料添加剂

主要销售市场:北美洲,中/南美洲,西欧,东欧,大洋洲,亚洲,中东,非洲

员工人数:100至149

地址:安吉县递铺镇阳光工业园区(健康园区)

城市:杭州

联系人:

电话:86-571-87041393

  • 提供样品:

CAS号:50-81-7

分子式: C6H8O6

50-81-7

英文名称: L(+)-Ascorbic acid

英文同义词: L-Ascorbic Acid, Free Acid; Vitamin C; L-(+)-Ascorbic acid; VC; ascorbic acid; Vita C BP2005; Vitamine C; ; L-threo-hex-1-enofuranos-3-ulose; (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); 5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); L(+)-Ascorbic acid

EINECS号: 200-066-2

分子量: 176.1241

熔点: 190-192℃

沸点: 552.672°C at 760 mmHg

密度: 0mmHg at 25°C

闪点: 238.199°C

Product name:     Ascorbic Acid
Shelf life 3 years
According to: BP2014/USP37/EP/FCC8/E300
Items Specifications Results
Appearance White or almost white,crystalline  powder or colourless crystals  A white crystalline powder
Melting point about 190℃,with decomposition 191℃
Infrared absorption spectrum infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS Meets the requirements
PH(with 5% ** solution) 2.1-2.6 2.4
PH(with 2% ** solution) 2.4-2.8 2.6
Appearance of solution Clarity:clear;Colour:≤BY7 Clarity:clear;Colour:<BY7
Specifi optical rotation +20.5°~ +21.5° +20.5°
Loss on drying ≤0.4% 0.05%
Impurity E ≤0.2% Meets the requirements
  Impurity C:≤0.15% Undetectable
  Impurity D:≤0.15% 0.03%
Related substance Unspecified impurities:≤0.10% Unspecified impurities:0.01%
  total inpurities:≤0.20% 0.04%
Copper ≤5.0ppm <5.0ppm
Iron ≤2.0ppm <2.0ppm
Arisenic ≤3.0ppm <3.0ppm
Lead ≤2.0ppm <2.0ppm
Mercuty ≤1.0ppm <1.0ppm
Cadmium ≤1.0ppm <1.0ppm
Heavy metals ≤10ppm Meets the requirements
Sulphated ash ≤0.1% 0.04%
Residual solvents Meets the requirements Meets the requirements
[Assay] 99.0%~100.5% 100.0%
Conclusion : The product conforms with the above analysis standard
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