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噻吩-2,5-二羧酸

噻吩-2,5-二羧酸用途

主要用于合成纤维、EVA、PVC及塑料和橡胶增白方面，可用于塑料薄膜、压模成型材料、注塑成型材料的增白等

噻吩-2,5-二羧酸名称

[ CAS 号 ]:
4282-31-9

[ 中文名 ]:
2,5-噻吩二羧酸

[ 英文名 ]:
Thiophene-2,5-dicarboxylic acid

[中文别名 ]:

[英文别名 ]:

5-carboxythiophene-2-carboxylic acid
thiophene-2,5-dicarboxylic acid
2,5-Thiophenedicarbo
2,5-Thiophenedicarboxylic acid
2,5-THIOPHENEDICARBOXYLIC
2,5-Thiophene dicarboxylic acid
RARECHEM AL BE 0623
Thiophene-2,5-Dicarboxyl Acid
Thiophene-,'-dicarboxylic acid
2,5-DICARBOXYTHIOPHENE

噻吩-2,5-二羧酸物理化学性质

[ 密度 ]:
1.7±0.1 g/cm3

[ 沸点 ]:
444.6±30.0 °C at 760 mmHg

[ 熔点 ]:
>300 °C(lit.)

[ 分子式 ]:
C₆H₄O₄S

[ 分子量 ]:
172.159

[ 闪点 ]:
222.7±24.6 °C

[ 精确质量 ]:
171.983032

[ PSA ]:
102.84000

[ LogP ]:
1.34

[ 外观性状 ]:
白色至淡黄色晶体粉末

[ 蒸汽压 ]:
0.0±1.1 mmHg at 25°C

[ 折射率 ]:
1.663

[ 储存条件 ]:
室温

噻吩-2,5-二羧酸MSDS

噻吩-2,5-二羧酸安全信息

[ 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 ]:
3

[ 海关编码 ]:
2934999090

噻吩-2,5-二羧酸合成路线

噻吩-2,5-二羧酸上下游产品

噻吩-2,5-二羧酸上游产品

噻吩-2,5-二羧酸下游产品

噻吩-2,5-二羧酸制备

将己二酸、氯化亚砜以1：（6-10）的重量比混合，在催化剂吡啶的存在下回流20-60h。蒸去溶剂，将残留物在140-160℃加热3-7h。经氢氧化钠处理、酸析、过滤、脱色、提纯，得噻吩-2,5-二羧酸。

噻吩-2,5-二羧酸海关

[ 海关编码 ]: 2934999090

[ 中文概述 ]:
2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

噻吩-2,5-二羧酸文献

Structure and magnetic properties of a new cobalt(II) thiophenedicarboxylate coordination polymer showing unprecedented coordination.

Inorg. Chem. 46(9) , 3423-5, (2007)

A new carboxylato-bridged CoII network of formula {Co((kappa1-kappa1)-(kappa1-mu2)-mu4-TDC)(mu2-H2O)0.5(H2O)}n (H2TDC=2,5-thiophenedicarboxylic acid) has been hydrothermally synthesized and characteri...

Thermochemistry of 2,5-thiophenedicarboxylic acid.

J. Phys. Chem. A 110(45) , 12477-83, (2006)

The enthalpies of combustion and sublimation of 2,5-thiophenedicarboxylic acid [CASRN 4282-31-9] were measured by rotary-bomb combustion calorimetry and the method of transference in a saturated strea...

Preliminary communication Properties of nonlinear supramolecular liquid crystals containing thiophenedicarboxylic acids. Lin H-C, et al.

Liq. Cryst. 25(2) , 277-83, (1998)

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