CAS 1124-11-4 MFCD00006146-2,3,5,6-Tetramethylpyrazine 2,3,5,6-四甲基吡嗪 TAO{mole}

2,3,5,6-Tetramethylpyrazine 2,3,5,6-四甲基吡嗪

CAS 1124-11-4 MFCD00006146

化学结构图

SMILES: CC1NC(C)C(C)NC1C

化学属性

Mol. Formula	C8H12N2
Mol. Weight	136.19
Density	1.08
Boiling Point	190 °C at 760 mmHg
Melting Point	77-80°C
TSCA	Yes
Flash Point	190°C
Appearance	白色晶体，密度 1.08 ，熔点 82-86℃，沸点 190 ℃

别名和识别编码

Chemical Name	2,3,5,6-Tetramethylpyrazine
CAS Number	1124-11-4
Alfabeta Name	TETRAMETHYLPYRAZINE 2356-,,,
MDL Number	MFCD00006146
Synonym	Ligustrazine {LY} Ligustrazine {} {LY} Ligustrazine {} {} {LY} Ligustrazine {} {} {} {LY} Ligustrazine {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Ligustrazine {} {} {} {} {} {} {} {} {} {} {} {}
EC Number	214-391-2
Beilstein Registry Number	113100
PubChem Substance ID	14296
Reaxys-RN	113100
Chemical Name Translation	2,3,5,6-四甲基吡嗪
Wiswesser Line Notation	T6N DNJ B1 C1 E1 F1
LabNetwork Molecule ID	LN00174759
InChI	InChI=1S/C8H12N2/c1-5-6(2)10-8(4)7(3)9-5/h1-4H3
Canonical SMILES	CC1=C(C)N=C(C)C(C)=N1

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品牌质保精细包装现货库存一流品牌服务

安全信息

Warnings IRRITANT

Signal word Danger Warning

GHS Symbol

WGK Germany3

Safety Statements

S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触；

Risk Statements

R22 Harmful if swallowed 吞咽有害
R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
R37/38 Irritating to respiratory system and skin 对呼吸系统和皮肤有刺激性
R41 Risk of serious damage to eyes 有严重损伤眼睛的危险

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P301+P312
P301+P312+P330
P302+P350
P302+P352+P332+P313+P362+P364
P305+P351+P338
P332+P313
P337+P313
P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
P501 Dispose of contents/container to..… 处理内容物/容器.....

Hazard statements

H315 Causes skin irritation 会刺激皮肤
H318 Causes serious eye damage 严重伤害眼睛
H302 Harmful if swallowed 吞食有害
H335 May cause respiratory irritation 可能导致呼吸道刺激

RTECSUQ3905000

Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes Xn

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 239 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CMJODS Chinese Medical Journal (Beijing, English Edition).  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1975-    Adopted vol. no. 92 in 1979.  Volume(issue)/page/year: 4,319,1978

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1910 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 3,249,1980

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IJCREE International Journal of Crude Drug Research.  (Swets & Zeitlinger
   B.V., POB 825, 2160 SZ Lisse, Netherlands)  V.20-    1982-
   Volume(issue)/page/year: 23,119,1985

Storage condition 2-8°C {LY} 2-8°C {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}

其他信息

FEMA:3237
用途二:GB 2760—1996：允许使用的食用香料。主要用以配制肉类和可可、花生、坚果、咖啡、巧克力等型香精。
MOL 文件:1124-11-4.mol
TCI Shanghai:2,3,5,6-四甲基吡嗪 2,3,5,6-Tetramethylpyrazine,>;98.0%(GC)(T)(1124-11-4)
图谱信息:2,3,5,6-四甲基吡嗪(1124-11-4)质谱(MS) 2,3,5,6-四甲基吡嗪(1124-11-4)红外图谱(IR2) 2,3,5,6-四甲基吡嗪(1124-11-4)核磁图( 13 CNMR) 2,3,5,6-四甲基吡嗪(1124-11-4)红外图谱(IR1)
Acros Organics:四甲基吡嗪(川芎嗪) Tetramethylpyrazine, 98%(1124-11-4)
食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称允许使用该种添加剂的食品中文名称添加剂功能最大允许使用量（g/kg）最大允许残留量（g/kg） 2，3，5，6-四甲基吡嗪食品食品用香料用于配制香精的各香料成分不得超过在GB 2760中的最大允许使用量和最大允许残留量
用途三:用于药物生产。
Alfa Aesar:2,3,5,6-四甲基哌嗪,98+% 2,3,5,6-Tetramethylpyrazine, 98+%(1124-11-4)
MSDS 信息:Tetramethylpyrazine(1124-11-4).msds
海关编码:29339990
用途一:用作调味剂、酒精饮料的甜味增强剂、卷烟的矫味剂和增补剂
方法一:由2，3-丁二酮和2，3-丁二胺缩合而成。
上游原料:亚硝酸钠 --> 乙醇溶液 --> 2,3-丁二酮 --> 二酮 --> 四亚甲基二胺 --> 亚硝酸乙酯 --> 2-甲基吡嗪
方法二:由丁酮与亚硝酸乙酯缩合生成丁二酮单肟，再经还原、环合而得甲甲基吡嗪。环合反应产物进行水蒸气蒸馏，馏出物冷却、结晶、过滤，得四甲基吡嗪粗品。精制时采用水重结晶和活性炭脱色。制备其盐酸盐时，可将其在丙酮中滴加含15%-20%氯化氢的乙醇溶液成盐。
2,3,5,6-四甲基吡嗪价格(试剂级):更新日期产品编号产品名称包装价格 2011/08/23 xw050011 2,3,5,6-四甲基吡嗪 10g 380元 2011/04/16 T0972 2,3,5,6-四甲基吡嗪 2,3,5,6-Tetramethylpyrazine 25G 582元 2010/06/21 179910050 2,3,5,6-四甲基吡嗪 Tetramethylpyrazine 98% 5 GR 385元
Sigma Aldrich:1124-11-4(sigmaaldrich)