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烟酸

CAS号 59-67-6
规格 25千克/桶
纯度 工业级99.9%
货号 ZHYY002
货期 现货
品牌 中涵药业
库存 100ton
注意：请务必与(yu)卖家联系核实单价库存(cun)，以(yi)确保您的(de)资金安全及交易顺利。
参考价：  ￥53.00 元/千克
货号 品牌 纯度 规格 参考价 货期
ZHYY002 中涵药业 工业级99.9% 25千克/桶 ￥53.00元/千克 现货

产品详情

详细信息(中文)：
烟(yan)酸(59-67-6)的性(xing)质如(ru)下： 1、熔点(dian)234-237℃。 2、白(bai)色(se)结(jie)晶(jing)或(huo)(huo)结(jie)晶(jing)性(xing)粉(fen)末(mo)，无(wu)臭或(huo)(huo)稍有臭气，味(wei)微(wei)(wei)酸。 3、易(yi)溶(rong)(rong)(rong)于热(re)水(shui)(shui)、热(re)乙(yi)(yi)醇(chun)(chun)、含(han)碱(jian)(jian)(jian)水(shui)(shui)、丙二醇(chun)(chun)及(ji)氯(lv)仿，微(wei)(wei)溶(rong)(rong)(rong)于水(shui)(shui)和(he)乙(yi)(yi)醇(chun)(chun)，室温(wen)下100mL水(shui)(shui)可溶(rong)(rong)(rong)解1.6g，不(bu)溶(rong)(rong)(rong)于乙(yi)(yi)醚(mi)(mi)(mi)和(he)酯类溶(rong)(rong)(rong)剂(ji)。 4、1%的水(shui)(shui)溶(rong)(rong)(rong)液(ye)PH为3.0-4.0。对(dui)热(re)、酸、碱(jian)(jian)(jian)均(jun)稳定(ding)(ding)。 5、大(da)白(bai)鼠(shu)经口(kou)LD505-7g/kg，ADI值不(bu)作特(te)殊(shu)(shu)规(gui)定(ding)(ding)(ECC，1990)。 白(bai)色(se)结(jie)晶(jing)或(huo)(huo)结(jie)晶(jing)性(xing)粉(fen)末(mo)，无(wu)臭或(huo)(huo)稍有臭气，味(wei)微(wei)(wei)酸。熔点(dian)234-237℃。易(yi)溶(rong)(rong)(rong)于热(re)水(shui)(shui)、热(re)乙(yi)(yi)醇(chun)(chun)、含(han)碱(jian)(jian)(jian)水(shui)(shui)、丙二醇(chun)(chun)及(ji)氯(lv)仿，微(wei)(wei)溶(rong)(rong)(rong)于水(shui)(shui)和(he)乙(yi)(yi)醇(chun)(chun)，室温(wen)下100mL水(shui)(shui)可溶(rong)(rong)(rong)解1.6g，不(bu)溶(rong)(rong)(rong)于乙(yi)(yi)醚(mi)(mi)(mi)和(he)酯类溶(rong)(rong)(rong)剂(ji)。1%的水(shui)(shui)溶(rong)(rong)(rong)液(ye)PH为3.0-4.0。对(dui)热(re)、酸、碱(jian)(jian)(jian)均(jun)稳定(ding)(ding)。大(da)白(bai)鼠(shu)经口(kou)LD505-7g/kg，ADI值不(bu)作特(te)殊(shu)(shu)规(gui)定(ding)(ding)（ECC，1990） 白(bai)色(se)结(jie)晶(jing)或(huo)(huo)结(jie)晶(jing)性(xing)粉(fen)末(mo)，无(wu)臭或(huo)(huo)稍有臭气，味(wei)微(wei)(wei)酸。熔点(dian)234-237℃。易(yi)溶(rong)(rong)(rong)于热(re)水(shui)(shui)、热(re)乙(yi)(yi)醇(chun)(chun)、含(han)碱(jian)(jian)(jian)水(shui)(shui)、丙二醇(chun)(chun)及(ji)氯(lv)仿，微(wei)(wei)溶(rong)(rong)(rong)于水(shui)(shui)和(he)乙(yi)(yi)醇(chun)(chun)，室温(wen)下100mL水(shui)(shui)可溶(rong)(rong)(rong)解1.6g，不(bu)溶(rong)(rong)(rong)于乙(yi)(yi)醚(mi)(mi)(mi)和(he)酯类溶(rong)(rong)(rong)剂(ji)。1%的水(shui)(shui)溶(rong)(rong)(rong)液(ye)PH为3.0-4.0。对(dui)热(re)、酸、碱(jian)(jian)(jian)均(jun)稳定(ding)(ding)。大(da)白(bai)鼠(shu)经口(kou)LD505-7g/kg，ADI值不(bu)作特(te)殊(shu)(shu)规(gui)定(ding)(ding)（ECC，1990） 酸度系数(shu)（pka）：
详细信息(英文)：
The properties of nicotinic acid (59-67-6) are as follows: 1. Melting point 234-237 ℃. 2. White crystalline or crystalline powder, odorless or slightly smelly, slightly acidic. 3. It is easily soluble in hot water, hot ethanol, alkaline water, propylene glycol and chloroform, slightly soluble in water and ethanol. 100ml of water can dissolve 1.6g at room temperature, but insoluble in ether and ester solvents. 4. The pH of 1% aqueous solution is 3.0-4.0. It is stable to heat, acid and alkali. 5. Rat oral ld505-7g / kg, ADI value is not specified (ECC, 1990). White crystalline or crystalline powder, odorless or slightly smelly, slightly acidic. Melting point 234-237 ℃. It is easily soluble in hot water, hot ethanol, alkaline water, propylene glycol and chloroform, slightly soluble in water and ethanol. 100ml of water can dissolve 1.6g at room temperature, but insoluble in ether and ester solvents. The pH of 1% aqueous solution is 3.0-4.0. It is stable to heat, acid and alkali. Rat oral ld505-7g / kg, ADI value is not specified (ECC, 1990) white crystal or crystalline powder, odorless or slightly smelly, slightly acidic. Melting point 234-237 ℃. It is easily soluble in hot water, hot ethanol, alkaline water, propylene glycol and chloroform, slightly soluble in water and ethanol. 100ml of water can dissolve 1.6g at room temperature, but insoluble in ether and ester solvents. The pH of 1% aqueous solution is 3.0-4.0. It is stable to heat, acid and alkali. Rat oral ld505-7g / kg, ADI value is not specified (ECC, 1990)

产品百科

英文名 3-Pyridinecarboxylic acid
中文名 烟酸
CAS号 59-67-6 溶解性 Soluble (63 g/L)
分子量 123.11 熔点 121-123 °C
密度 1.293±0.06 g/cm3 沸点 292.5±13.0 °C

商家信息

陕西中涵药业有限公司

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  • 成立时间：2021-07-12
  • 所在地区：陕西省西安市
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