煙酸 中文別名: 3-吡啶甲酸；吡啶-3-甲酸；3-吡啶羥酸；3-噼啉酸；吡啶-3-羥酸；氮苯酸-[3]；吡啶-3-羧酸 英文名稱: Nicotinic acid C A S RN: 59-67-6 分 子 式: 200-441-0 分 子 量: C6H5NO2 EINECS號(hào): 123.1094 含 量: 99% 飼料級(jí) 醫(yī)藥級(jí) 性 狀: 白色結(jié)晶或結(jié)晶性粉末，無(wú)臭或稍有臭氣，味微酸。熔點(diǎn)234-237℃。易溶于熱水、熱乙醇、含堿水、丙二醇及氯仿，微溶于水和乙醇，室溫下100mL水可溶解1.6g，不溶于酯類溶劑。1%的水溶液PH為3.0-4.0。對(duì)熱、酸、堿均穩(wěn)定。大白鼠經(jīng)口LD505-7g/kg，ADI值不作特殊規(guī)定（ECC，1990）。 用 途: 該品為維生素類，與煙酰胺統(tǒng)稱維生素PP，用于抗糙皮病，亦可用作血擴(kuò)張藥，大量用作食品飼料的添加劑。作為醫(yī)藥中間體，用于異煙肼、煙酰胺、尼可剎及煙酸肌醇酯等的生產(chǎn)。 包 裝: 25KG/紙板桶 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