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CAS: 623-26-7
分子式: C8H4N2
分子量: 128.13
熔点: 223-227℃
中文名称: 
对二氰基苯
对苯二甲腈
对酞腈
对苯二腈
1,4-二氰基苯
1,4-苯二甲腈
英文名称: 
1,4-benzendikarbonitril
1,4-benzenedicarbonitrile
1,4-dicyanobenzene
4-cyanobenzonitrile
nitril kyseliny tereftalove
p-benzenedinitrile
p-dicyanobenzene
p-phthalodinitrile
tereftalodinitril
tereftalonitril
terephthalodinitril
terephthalonitrile
p-Benzenedicarbonitrile
展开更多英文名
性质描述: 针状结晶。熔点222℃。易溶于热乙酸,难溶于醇和醚,不溶于冷水。能升华。
生产方法: 目前对苯二甲腈的生产有以对二甲苯为原料和以二聚戊烯为原料两种工艺路线。而目前我国均采用以对二甲苯为原料的生产工艺。反应的沸腾床中进行,催化剂为B2O5-Cr2O3-MoO3-P2O5-SiO2,以粗孔微还应形硅胶为载体。氨氧化在375-390℃进行,接触时间约2h,对二甲苯与氨的重量比为1:6-8,平均收率为95%左右。
用途: 用于生产医药。
推荐供应商
货号品牌产品名称规格包装、参考价格详情
D807436MACKLIN对苯二腈98%30元/25g;   58元/100g;   269元/500g;   718元/2.5kg;   2159元/10kg;   展开
储存:室温
状态:白色到浅黄色粉末
T0016TCITerephthalonitrile>98.0%(GC)365元/25G;   1125元/100G;   4370元/500G;   展开

基本信息

纯度/分析方法>98.0%(GC)
分子式/分子量C8H4N2 = 128.13
外观与形状(20℃)固体
Reaxys-RN1072210
PubChem物质ID87576040
SDBS (AIST Spectral DB)2378
MDL编号MFCD00001810

技术规格

AppearanceWhite powder to crystal
Purity(GC)min. 98.0 %
Melting point223.0 to 230.0 ℃

物性(参考值)

熔点228 ℃

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。
防范说明P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染:用水充分清洗。
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。

相关法规

RTECS#CZ1925000
344018J&KTerephthalonitrile98%60元/25G;   166元/100G;   展开

基本信息

分子式C8H4N2
分子量128.13
熔点221-225
MDL编码MFCD00001810
Beilstein1072210
EINECS 编号210-783-2

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
WGK2
RTECSCZ1925000
TSCA
B23137Alfa AesarTerephthalonitrile98%362元/25g;   1398元/100g;   展开

应用
1,4-dicyanobenzene as a new internal standard in utilizing solid-state infrared intensity methods for the determination of thiocyanate bonding. Used as photosensitizer in [2+2] cycloadditions, nitrile building block.

备注
Store in cool, dry place in a well sealed container. Store away from oxidizing agents.

基本信息

MDL
MFCD00001810

EINECS
210-783-2

分子式
C8H4N2

分子量
128.13

熔点
224-227°

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Insoluble in water.

Beilstein
1072210

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

RTECS
CZ1925000

TSCA

C11382Alfa Aesar1,4-Dicyanobenzene98%543元/25g;   1423元/100g;   5936元/500g;   展开

基本信息

Ref#
11382

MDL
1810

分子式
C8 H4 N2

分子量
128.13

形态
White powder

D76722Sigma-Aldrich1,4-Dicyanobenzene98%379.62元/25 G;   展开

基本信息

线性分子式C6H4(CN)2
分子量128.13
Beilstein1072210
EC 号210-783-2
MDL编号MFCD00001810
PubChem化学物质编号24894152
NACRESNA.22

产品性质

质量水平200
测定98%
mp221-225 ℃ (lit.)
SMILES stringN#Cc1ccc(cc1)C#N
InChI1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H
InChI keyBHXFKXOIODIUJO-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 2
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
079107Fluorochem1,4-Dicyanobenzene98%220元/25g;   352元/100g;   展开

基本信息

CAS Number623-26-7
MDL NumberMFCD00001810
Melting Point223-230℃

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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