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3,4-二甲基苯甲酸

3,4-二甲基苯甲酸用途

3,4-Dimethylbenzoic acid 是 Rhodococcus rhodochrous N75 的苯甲酸二甲酯代谢产物。

3,4-二甲基苯甲酸名称

[ CAS 号 ]:
619-04-5

[ 中文名 ]:
3,4-二甲基苯甲酸

[ 英文名 ]:
Paraxylic Acid

[中文别名 ]:

不对称邻二甲苯酸

[英文别名 ]:

asym.-o-Xylylic acid
Paraxylic Acid
EINECS 210-576-7
3,4-diMeC6H4COOH
3,4-Dimethylbenzoic acid
3,4-Dimethyl-benzoesaeure
o-Xylene-4-carboxylic Acid
Benzoic acid,3,4-dimethyl
Benzoic acid, 3,4-dimethyl-
MFCD00002524

3,4-二甲基苯甲酸生物活性

[ 描述 ]:

3,4-Dimethylbenzoic acid 是 Rhodococcus rhodochrous N75 的苯甲酸二甲酯代谢产物。

[ 相关类别 ]:

研究领域 >> 其他

信号通路 >> 其他 >> 其他

[体外研究]

3,4-二甲基苯甲酸通过中间产物3,4-二甲基邻苯二酚通过邻位途径被4-甲基苯甲酸(对甲苯)生长的红球菌Rhodoccus rhodochrous N75细胞氧化[1]。

[参考文献]

[1]. StefanSchmidt, et al. Isolation and identification of two novel butenolides as products of dimethylbenzoate metabolism by Rhodococcus rhodochrous N75.

3,4-二甲基苯甲酸物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
294.6±9.0 °C at 760 mmHg

[ 熔点 ]:
163-165 °C(lit.)

[ 分子式 ]:
C₉H₁₀O₂

[ 分子量 ]:
150.174

[ 闪点 ]:
134.9±13.4 °C

[ 精确质量 ]:
150.068085

[ PSA ]:
37.30000

[ LogP ]:
2.82

[ 外观性状 ]:
白色粉末

[ 蒸汽压 ]:
0.0±0.7 mmHg at 25°C

[ 折射率 ]:
1.550

[ 储存条件 ]:
室温

3,4-二甲基苯甲酸MSDS

3,4-二甲基苯甲酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG8734020

CHEMICAL NAME :: Benzoic acid, 3,4-dimethyl-

CAS REGISTRY NUMBER :: 619-04-5

BEILSTEIN REFERENCE NO. :: 0907267

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H10-O2

MOLECULAR WEIGHT :: 150.19

WISWESSER LINE NOTATION :: QVR C1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 316 mg/kg

TOXIC EFFECTS :: Behavioral - rigidity (including catalepsy) Behavioral - muscle contraction or spasticity

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,1020,1968

3,4-二甲基苯甲酸安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R22;R36/37/38

[ 安全声明 (欧洲) ]:
S22-S24/25-S37/39-S26

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
DG8734020

[ 海关编码 ]:
2916399090

3,4-二甲基苯甲酸合成路线

3,4-二甲基苯甲酸上下游产品

3,4-二甲基苯甲酸上游产品

3,4-二甲基苯甲酸下游产品

3,4-二甲基苯甲酸海关

[ 海关编码 ]: 2916399090

[ 中文概述 ]:
2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

3,4-二甲基苯甲酸文献

Initial steps in the degradation of 3,4-dimethylbenzoic acid by Pseudomonas putida strain DMB.

FEMS Microbiol. Lett. 137(2-3) , 129-34, (1996)

Pseudomonas putida strain DMB capable of growing on 3,4-dimethylbenzoic acid as the only C and energy source was isolated by enrichment techniques. It does not utilize for growth or cooxidize the othe...

Biological monitoring of experimental human exposure to trimethylbenzene.

Sci. Total Environ. 199(1-2) , 73-81, (1997)

Trimethylbenzene (TMB) is a component of numerous commercial preparations of organic solvents (Farbasol, Solvesso, Shellsol) used in the chemical, plastics, printing and other industries. TMB is a mix...

[Determination of dimethylbenzoic acid isomers in urine by gas chromatography].

Macrocyclic Polyether Synthesis 45(1) , 37-44, (1994)

Trimethylobenzene (TMB) is a main ingredient of many organic solvents used in industry. In Farbasol (Polish trade name of the solvent) TMB occurs as a mixture of three isomers: pseudocumene (1, 2, 4-T...

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