<生产厂家价格>

1,2,4-苯三甲酸

1,2,4-苯三甲酸用途

【用途一】
制备偏苯三甲酸酐、偏苯三甲酸酯，用于树脂、增塑剂、染料、胶粘剂等方面。

1,2,4-苯三甲酸名称

[ CAS 号 ]:
528-44-9

[ 中文名 ]:
偏苯三甲酸

[ 英文名 ]:
Trimellitic acid

[中文别名 ]:

[英文别名 ]:

MFCD00002470
benzene-1,2,4-tricarboxylic acid
EINECS 208-432-3
Trimellitic acid
1,2,4-Benzenetricarboxylic acid
Benzene-1,2,4-tricarboxylic acid,Trimellitic acid

1,2,4-苯三甲酸物理化学性质

[ 密度 ]:
1.7±0.1 g/cm3

[ 沸点 ]:
505.5±45.0 °C at 760 mmHg

[ 熔点 ]:
229-231 °C (dec.)(lit.)

[ 分子式 ]:
C₉H₆O₆

[ 分子量 ]:
210.140

[ 闪点 ]:
273.6±25.2 °C

[ 精确质量 ]:
210.016434

[ PSA ]:
111.90000

[ LogP ]:
1.00

[ 外观性状 ]:
白色粉末/大块

[ 蒸汽压 ]:
0.0±1.4 mmHg at 25°C

[ 折射率 ]:
1.663

[ 储存条件 ]:
2-8°C

[ 水溶解性 ]:
2.1 G/100 ML (25 ºC)

1,2,4-苯三甲酸MSDS

1,2,4-苯三甲酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DC1980000

CHEMICAL NAME :: 1,2,4-Benzenetricarboxylic acid

CAS REGISTRY NUMBER :: 528-44-9

BEILSTEIN REFERENCE NO. :: 2214815

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C9-H6-O6

MOLECULAR WEIGHT :: 210.15

WISWESSER LINE NOTATION :: QVR BVQ DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2500 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(7),57,1974 *** REVIEWS *** TOXICOLOGY REVIEW BPCT** Progress Report from the Environmental Protection Agency to NIOSH on Benzenepolycarboxylates, 1974 Volume(issue)/page/year: -,183,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83703 No. of Facilities: 82 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 1278 (estimated)

1,2,4-苯三甲酸安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36-S37/39

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

[ WGK德国 ]:
2

[ RTECS号 ]:
DC1980000

[ 海关编码 ]:
2917399090

1,2,4-苯三甲酸合成路线

1,2,4-苯三甲酸制备

以偏三甲苯（1,2,4-三甲苯）为原料，经硝酸氧化或高锰酸钾氧化或液相空气氧化而得。1.硝酸氧化法第一步氧化：偏三甲苯与硝酸的摩尔比为1：2.16，硝酸浓度为17%，反应温度200℃，反应压力约3.9MPa以下。第二步氧化：偏三甲苯与硝酸的摩尔比为1：4.5，硝酸浓度为50%，反应温度180℃，反应压力约3.9MPa以下。反应所得偏苯三酸母液经冷却、结晶、离心、洗涤干燥成品。收率55%以上。2.高锰酸钾氧化法以纯度为95%的偏三甲苯为原料，在20-30倍水存在下，于90-95℃温度下用高锰酸钾氧化，所得产物经酸化、重结晶、烘干，得白色针状结晶。

1,2,4-苯三甲酸海关

[ 海关编码 ]: 2917399090

[ 中文概述 ]:
2917399090 其他芳香多元羧酸. 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, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

1,2,4-苯三甲酸文献

Short-column anion-exchange chromatography for soil and peat humic substances profiling by step-wise gradient of high pH aqueous sodium ethylenediaminetetraacetate.

J. Chromatogr. A. 1408 , 72-7, (2015)

Novel anion-exchange liquid chromatographic method with step gradient of aqueous EDTA(4-) based mobile phase elution has been developed to profile available Slovak soil humic substances and alkaline e...

Benzenepolycarboxylic acids with potential anti-hemorrhagic properties and structure–activity relationships

Bioorg. Med. Chem. 19 , 7000-2, (2011)

Previously, we reported the structural requirements of the cinnamic acid relatives for inhibition of snake venom hemorrhagic action. In the present study, we examined the effect of benzenepolycarboxyl...

[Dosimetry using pyromellitic acid and trimellitic acid. Part 1].

Strahlenther. Onkol. 170(3) , 174-9, (1994)

The intention of the study was to demonstrate that a chemical dosimeter on the basis of fluorescing acids is able to measure ionizing radiation much more sensitively than the Fricke dosimeter.As detec...

更多文献