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1,2,4,5-四甲苯

1,2,4,5-四甲苯用途

【用途一】
是氧化制备均苯四甲酸二酐最为理想的原料
【用途二】
主要用于制取均苯四甲酸二酐，也用于生产聚酰亚胺树脂、染料、增塑剂、表面活性剂等。
【用途三】
有机合成。增塑剂。

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1,2,4,5-四甲苯名称

[ CAS 号 ]:
95-93-2

[ 中文名 ]:
1,2,4,5-四甲基苯

[ 英文名 ]:
1,2,4,5-Tetramethylbenzene

[中文别名 ]:

[英文别名 ]:

Benzene, 1,2,4,5-tetramethyl
Durene
MFCD00008528
EINECS 202-465-7
1,2,4,5-tetramethyl-benzene
Durol

1,2,4,5-四甲苯物理化学性质

[ 密度 ]:
0.838 g/mL at 25 °C(lit.)

[ 沸点 ]:
196-197 °C

[ 熔点 ]:
78 °C

[ 分子式 ]:
C₁₀H₁₄

[ 分子量 ]:
134.21800

[ 闪点 ]:
165 °F

[ 精确质量 ]:
134.11000

[ LogP ]:
2.92020

[ 外观性状 ]:
白色结晶粉末

[ 蒸汽密度 ]:
4.6 (vs air)

[ 蒸汽压 ]:
160 mm Hg ( 140 °C)

[ 折射率 ]:
1.4790 (81ºC)

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开存放

[ 水溶解性 ]:
insoluble

1,2,4,5-四甲苯MSDS

1,2,4,5-四甲苯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DC0500000

CHEMICAL NAME :: Benzene, 1,2,4,5-tetramethyl-

CAS REGISTRY NUMBER :: 95-93-2

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C10-H14

MOLECULAR WEIGHT :: 134.24

WISWESSER LINE NOTATION :: 1R B1 D1 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6989 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Blood - hemorrhage

REFERENCE :: DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 1,219,1978

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00212 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2248 No. of Facilities: 242 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 2117 (estimated) No. of Female Employees: 1608 (estimated)

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1,2,4,5-四甲苯安全信息

[ 符号 ]:

GHS02

[ 信号词 ]:
Danger

[ 危害声明 ]:
H228

[ 警示性声明 ]:
P210

[ 危害码 (欧洲) ]:
F:Flammable

[ 风险声明 (欧洲) ]:
R11

[ 安全声明 (欧洲) ]:
S16

[ 危险品运输编码 ]:
UN 1325 4.1/PG 2

[ WGK德国 ]:
1

[ RTECS号 ]:
DC0500000

[ 包装等级 ]:
III

[ 危险类别 ]:
4.1

[ 海关编码 ]:
29029080

1,2,4,5-四甲苯合成路线

1,2,4,5-四甲苯上下游产品

1,2,4,5-四甲苯上游产品

1,2,4,5-四甲苯下游产品

1,2,4,5-四甲苯制备

工业上曾将C9-C10芳烃馏分以蒸馏法除萘后，经冷冻（-70℃）、重结晶，制取四甲苯。但成本较高。现均采用合成法生产，例如以间二甲苯为原料，加入无水三氯化铝，在100℃通入氯甲烷进行反应后，静置、冷却，分出上层深绿色油状物，经干燥、常压蒸馏，收集180-205℃馏分即得。此外，尚有以二甲苯和偏三甲苯进行异构化、烷基化及转化烷基化，偏三甲苯歧化-异构化等制取四甲苯的方法。

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1,2,4,5-四甲苯海关

[ 海关编码 ]: 2902909090

[ 中文概述 ]:
2902909090. 其他芳香烃. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:2.0%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

1,2,4,5-四甲苯文献

Myofibroblasts from salivary gland adenoid cystic carcinomas promote cancer invasion by expressing MMP2 and CXCL12.

Histopathology 66(6) , 781-90, (2015)

Salivary gland adenoid cystic carcinoma (ACC) is one of the most common malignant tumours in the oral and maxillofacial region, and has high aggressive potential. Tumour and stroma interactions are cr...

Cannabinoid 1 receptors in keratinocytes attenuate fluorescein isothiocyanate-induced mouse atopic-like dermatitis.

Exp. Dermatol. 23(6) , 401-6, (2014)

Atopic dermatitis is a chronic inflammatory disease characterized by an impaired epidermal barrier function combined with a chronic Th2-type inflammatory response and an intense pruritus. Here, we use...

Identification and characterization of D-xylulokinase from the D-xylose-fermenting fungus, Mucor circinelloides.

FEMS Microbiol. Lett. 360(1) , 51-61, (2014)

D-Xylulokinase catalyzes the phosphorylation of D-xylulose in the final step of the pentose catabolic pathway to form d-xylulose-5-phosphate. The D-xylulokinase activity was found to be induced by bot...

更多文献

1,2,4,5-四甲苯

1,2,4,5-四甲苯用途

1,2,4,5-四甲苯名称

1,2,4,5-四甲苯物理化学性质

1,2,4,5-四甲苯MSDS

详细MSDS(安全技术说明书)

1,2,4,5-四甲苯毒性和生态

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

1,2,4,5-四甲苯安全信息

1,2,4,5-四甲苯合成路线

详细合成路线

1,2,4,5-四甲苯上下游产品

1,2,4,5-四甲苯上游产品

1,2,4,5-四甲苯下游产品

1,2,4,5-四甲苯制备

1,2,4,5-四甲苯海关

1,2,4,5-四甲苯文献

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