[登录] [免费注册]
试剂仪器网
位置:首页 > 资料中心 > 化工字典 > 1074-24-4
关键词:       仅模糊查询
CAS: 1074-24-4
分子式: C8H8Br2
分子量: 263.96
沸点: 261℃
熔点: 72-75℃
中文名称: 
2,5-二溴-对-二甲苯
英文名称: 
Benzene,1,4-dibromo-2,5-dimethyl-
2,5-Dibromo-p-xylene
1,4-dibromo-2,5-dimethyl-benzen
1,4-dibromo-2,5-dimethylbenzene
推荐供应商
货号品牌产品名称规格包装、参考价格详情
D808327MACKLIN1,4-二溴-2,5-二甲基苯97%68元/25g;   255元/100g;   1255元/500g;   展开
储存:室温
状态:白色到灰白色到浅黄色到黄色粉末或晶体
折射率:1.543-1.545
D1841TCI2,5-Dibromo-p-xylene>98.0%(GC)320元/25G;   1050元/100G;   展开

基本信息

纯度/分析方法>98.0%(GC)
分子式/分子量C8H8Br2 = 263.96
外观与形状(20℃)固体
Reaxys-RN2080433
PubChem物质ID87568307
SDBS (AIST Spectral DB)21182
MDL编号MFCD00000091

技术规格

AppearanceWhite to Light yellow powder to crystal
Purity(GC)min. 98.0 %
Melting point72.0 to 75.0 ℃

物性(参考值)

熔点75 ℃
沸点150 ℃/21 mmHg

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。
419266J&K1,4-Dibromo-2,5-dimethylbenzene98%113元/5G;   280元/25G;   922元/100G;   展开

基本信息

分子式C8H8Br2
分子量263.96
熔点72-74
沸点261
MDL编码MFCD00000091
Beilstein2080433
EINECS 编号214-038-2

安全信息

图形或危害标志
提示语Warning
危险说明H315
H319
H335
H411
防范说明P261
P273
P305+P351+P338
UN号码3077
危险分类9
包装等级III
WGK3
TSCA
L01776Alfa Aesar2,5-Dibromo-p-xylene98+%725元/25g;   2534元/100g;   展开

应用
2,5-Dibromo-p-xylene is used as a liquid crystal material. It is also used as an intermediate in agrochemicals and in pharmaceuticals.

备注
Incompatible with strong oxidizing agents, strong acids and strong alkalis.

基本信息

MDL
MFCD00000091

EINECS
214-038-2

分子式
C8H8Br2

分子量
263.97

熔点
72-74°

沸点
261°

灵敏度
Ambient temperatures.

形态
Crystals or powder

溶解性
Soluble in toluene, hot ethanol and hot methanol.Insoluble in water.

Beilstein
2080433

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

TSCA

C27901Alfa Aesar1,4-Dibromo-2,5-dimethylbenzene98+%1293元/50g;   5946元/250g;   展开

基本信息

Ref#
27901

MDL
91

分子式
C8 H8 Br2

分子量
263.95

形态
White to grey crystals or powder

116157Sigma-Aldrich1,4-Dibromo-2,5-dimethylbenzene98%513.75元/25 G;   1405.19元/100 G;   展开

产品说明

应用

1,4-二溴-2,5-二甲苯已被用于制备4,4″-二甲酰基-2′,5′-二甲基-1,1′.4′,1″-三联苯。它也被用于制备1,4-二甲酰基-2,5-二甲基苯。

包装

25, 100 g in glass bottle

基本信息

线性分子式(CH3)2C6H2Br2
分子量263.96
EC 号214-038-2
MDL编号MFCD00000091
PubChem化学物质编号24847267
NACRESNA.22

产品性质

质量水平100
测定98%
bp261 ℃ (lit.)
mp72-74 ℃ (lit.)
SMILES stringCc1cc(Br)c(C)cc1Br
InChI1S/C8H8Br2/c1-5-3-8(10)6(2)4-7(5)9/h3-4H,1-2H3
InChI keyQENIALCDPFDFHX-UHFFFAOYSA-N

安全信息

象形图GHS07GHS09
警示用语:Warning
危险声明H315 - H319 - H335 - H411
预防措施声明P273 - P302 + P352 - P305 + P351 + P338
危险分类Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官Respiratory system
储存分类代码11 - Combustible Solids
WGKWGK 3
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
019177Fluorochem2,5-Dibromo-p-xylene98%220元/1g;   220元/10g;   418元/25g;   990元/100g;   展开

基本信息

CAS Number1074-24-4
MDL NumberMFCD00000091
Density1.71

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.
H411: Toxic to aquatic life with long lasting effects.
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.
P273: Avoid release to the environment.
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.
P391: Collect spillage.
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 .
CAS号首数字顺序排列: 1 2 3 4 5 6 7 8 9