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CAS: 4858-85-9
分子式: C4H2Cl2N2
分子量: 148.98
沸点: 105-107 °C (50 mmHg)
熔点: 22.5-24.5 °C
中文名称: 
2,3-二氯哌嗪
2,3-二氯吡嗪
二氯吡嗪
英文名称: 
2,3-dichloropyrazine
Pyrazine,2,3-dichloro-
用途: 医药中间体。
推荐供应商
货号品牌产品名称规格包装、参考价格
D808443MACKLIN2,3-二氯吡嗪>98.0%(GC)25元/1g;   29元/5g;   53元/25g;   191元/100g;   894元/500g;   咨询
储存:室温
状态:无色到黄色液体
折射率:1.5645
D3061TCI2,3-Dichloropyrazine>98.0%(GC)490元/5G;   1450元/25G;   咨询

基本信息

纯度/分析方法>98.0%(GC)
分子式/分子量C4H2Cl2N2 = 148.97
外观与形状(20℃)固体
储存在惰性气体下存放于惰性气体之中
应避免的情况湿气 (分解)
Reaxys-RN112628
PubChem物质ID87558815

技术规格

AppearanceWhite or Colorless to Light yellow powder to lump to clear liquid
Purity(GC)min. 98.0 %

物性(参考值)

熔点29 ℃
沸点107 ℃/50 mmHg
折射率1.56
溶解性(可溶于)甲醇

安全信息

图形或危害标志
信号词警告
危险性说明H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
H341 : 怀疑可造成遗传性缺陷。
防范说明P501 : 将内装物/容器送到批准的废物处理厂处理。
P202 : 在阅读并明了所有安全措施前切勿搬动。
P201 : 使用前取得专用说明。
P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染:用水充分清洗。
P308 + P313 : 如接触到或有疑虑:求医/就诊。
P337 + P313 : 如仍觉眼刺激:求医/就诊。
P305 + P351 + P338 : 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服,清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激:求医/就诊。
P405 : 存放处须加锁。
568021J&K2,3-Dichloropyrazine98%392元/5G;   1323元/25G;   3704元/100g;   咨询

基本信息

分子式C4H2Cl2N2
分子量148.98
熔点23-25
沸点105-107
闪点102
密度1.431
折光率(n20D)1.5623
MDL编码MFCD00040964
Beilstein112628
EINECS 编号225-460-1

安全信息

图形或危害标志
提示语Warning
危险说明H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
TSCA
L11500Alfa Aesar2,3-Dichloropyrazine98%613元/1g;   2025元/5g;   咨询

基本信息

MDL
MFCD00040964

EINECS
225-460-1

分子式
C4H2Cl2N2

分子量
148.98

沸点
105-107°/50mm

折射率
1.5645

Beilstein
112628

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319
Causes skin irritation.Causes serious eye irritation.

Precautionary Statements
P280a-P264-P305+P351+P338-P321-P332+P313-P337+P313
Wear protective gloves and eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment (see label).If skin irritation occurs: Get medical advice/attention.If eye irritation persists: Get medical advice/attention.

安全信息

危险类别
36/38
Irritating to eyes and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA

465208Sigma-Aldrich2,3-Dichloropyrazine95%666.7元/5 G;   咨询

产品说明

包装

5 g in glass bottle

应用

该底物的选择性单取代反应提供了强效细胞周期蛋白依赖性激酶 alloisine 的一种高效合成方法。

基本信息

经验(实验)分子式C4H2Cl2N2
分子量148.98
EC 号225-460-1
MDL编号MFCD00040964
PubChem化学物质编号24870254
NACRESNA.22

产品性质

质量水平200
测定95%
密度1.431 g/mL at 25 ℃ (lit.)
SMILES stringClc1nccnc1Cl
InChI1S/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H
InChI keyMLCNOCRGSBCAGH-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语:Warning
危险声明H302 - H315 - H319 - H335
预防措施声明P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
危险分类Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官Respiratory system
储存分类代码10 - Combustible liquids
WGKWGK 3
闪点(F)215.6 °F - closed cup
闪点(C)102 ℃ - closed cup
个人防护装备Eyeshields, Gloves, type ABEK (EN14387) respirator filter
002757Fluorochem2,3-Dichloropyrazine98%220元/10g;   330元/25g;   1210元/100g;   咨询

基本信息

CAS Number4858-85-9
MDL NumberMFCD00040964
Boiling Point105-107℃
Melting Point29℃
Density1.431

安全信息

图形或危害标志
危险性说明 H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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