烟酸 中文别名: 3-吡啶甲酸；吡啶-3-甲酸；3-吡啶羟酸；3-噼啉酸；吡啶-3-羟酸；氮苯酸-[3]；吡啶-3-羧酸 英文名称: Nicotinic acid C A S RN: 59-67-6 分 子 式: 200-441-0 分 子 量: C6H5NO2 EINECS号: 123.1094 含 量: 99% 饲料级 医药级 性 状: 白色结晶或结晶性粉末，无臭或稍有臭气，味微酸。熔点234-237℃。易溶于热水、热乙醇、含碱水、丙二醇及氯仿，微溶于水和乙醇，室温下100mL水可溶解1.6g，不溶于酯类溶剂。1%的水溶液PH为3.0-4.0。对热、酸、碱均稳定。大白鼠经口LD505-7g/kg，ADI值不作特殊规定（ECC，1990）。 用 途: 该品为维生素类，与烟酰胺统称维生素PP，用于抗糙皮病，亦可用作血扩张药，大量用作食品饲料的添加剂。作为医药中间体，用于异烟肼、烟酰胺、尼可刹及烟酸肌醇酯等的生产。 包 装: 25KG/纸板桶 Nicotinic acid Synonyms: BETA-PICOLINIC ACID；AKOS BBS-00003719；ACIDUM-NICOTINICUM；3-PYRIDINECARBOXYLIC ACID；3-PICOLINIC ACID；3-CARBOXYPYRIDINE；RARECHEM AL BO 0217；TIMTEC-BB SBB004279 CAS: 59-67-6 MF: C6H5NO2 MW: 123.11 EINECS: 200-441-0 Product Categories: Pyridine；Analytical Chemistry；Biochemistry；Mass Spectrometry；Vitamins and derivatives；Miscellaneous Compounds；Signalling；Aromatics；Intermediates & Fine Chemicals；Isotope Labelled Compounds；Pharmaceuticals；Chemical Synthesis；Heterocyclic Building Blocks；Nutrition Research；Pyridines；Vitamin B；Vitamin series；carboxylic acid General Description Odorless white crystalline powder with a feebly acid taste. pH (saturated aqueous solution) 2.7. pH (1.3% solution) 3-3.5. Air & Water Reactions Water soluble. Reactivity Profile Nicotinic acid is incompatible with strong oxidizers. Nicotinic acid is also incompatible with sodium nitrite. Fire Hazard Flash point data for Nicotinic acid are not Usage Niacin feed grade is used as vitamin for poultry, swines, ruminants, fish, dogs and cats, etc. It is also used as intermediate for nicotinic acid derivatives and technical applications. Package: 25Kgs per drum