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CAS: 50-84-0
分子式: C7H4Cl2O2
分子量: 191.01
沸点: 200℃
熔点: 160-164℃
中文名称: 
2,4-二氯苯甲酸
英文名称: 
2,4-dichloro-Benzoic acid
2,4-Dichlorobenzoic acid
2,4-dichloro-benzoic aci
Benzoic acid,2,4-dichloro-
性质描述: 白色至淡黄色针状结晶或粉末。熔点160℃,易升华,无沸点。溶于乙醇、乙醚、苯、丙酮、氯仿、5%烧碱溶液,不溶于水及庚烷。
生产方法: 2,4-二氨基甲苯在硫酸、亚硝酸钠存在下,经重氮化反应,再在氯化亚铜存在下进行置换得2,4-二氯甲苯,后者用高锰酸钾氧化得2,4-二氯苯甲酸钾盐,再用盐酸酸化得2,4-二氯苯甲酸,反应产物经结晶,洗涤、干燥,得成品。
用途: 可用作染料、杀菌剂、药物的中间体。用于抗疟药盐酸阿的平、非汞利尿药速尿的生产。
推荐供应商
货号品牌产品名称规格包装、参考价格详情
D806757MACKLIN2,4-二氯苯甲酸98%53元/25g;   88元/100g;   205元/500g;   876元/2.5kg;   展开
储存:室温
状态:白色到灰白色粉末
D0337TCI2,4-Dichlorobenzoic Acid>97.0%(GC)(T)135元/25G;   860元/500G;   展开

基本信息

纯度/分析方法>97.0%(GC)(T)
分子式/分子量C7H4Cl2O2 = 191.01
外观与形状(20℃)固体
Reaxys-RN1868192
PubChem物质ID87567028
SDBS (AIST Spectral DB)2084
MDL编号MFCD00002414

技术规格

AppearanceWhite to Almost white powder to crystal
Purity(GC)min. 97.0 %
Purity(Neutralization titration)min. 97.0 %
Melting point158.0 to 165.0 ℃

物性(参考值)

熔点162 ℃

安全信息

图形或危害标志
信号词警告
危险性说明H302 : 吞咽有害。
H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
防范说明P501 : 将内装物/容器送到批准的废物处理厂处理。
P270 : 使用本产品时不要进食、饮水或吸烟。
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。
P301 + P312 + P330 : 如误吞咽:如感觉不适,呼叫急救中心/医生。漱口。

相关法规

RTECS#DG6650000
301837J&K2,4-Dichlorobenzoic Acid98%168元/100G;   371元/250G;   1164元/1KG;   展开

基本信息

分子式C7H4Cl2O2
分子量191.01
熔点157-160
MDL编码MFCD00002414
Beilstein1868192
EINECS 编号200-067-8

安全信息

图形或危害标志
提示语Warning
危险说明H302
H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
RTECSDG6650000
TSCA
A12372Alfa Aesar2,4-Dichlorobenzoic Acid98%875元/250g;   2584元/1000g;   展开

应用
2,4-Dichlorobenzoic acid is used as reagent during the synthesis of pyrimido[2?,1?:2,3]thiazolo[4,5-b]quinoxaline derivatives. It is also used as starting reagent during the synthesis of 1-(substituted)-1,4-dihydro-6-nitro-4-oxo-7-(sub-secondary amino)-quinoline-3-carboxylic acids.

备注
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

基本信息

MDL
MFCD00002414

EINECS
200-067-8

分子式
C7H4Cl2O2

分子量
191.01

熔点
159-164°

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in ethanol (100 mg/ml), water (0.48 mg/ml), alcohol, ether, and acetone.

Beilstein
1868192

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H315-H319-H335
Harmful if swallowed.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
22-36/37/38
Harmful if swallowed.Irritating to eyes, respiratory system and skin.

安全等级
26-36/37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
DG6650000

TSCA

C16090Alfa Aesar2,4-Dichlorobenzoic Acid98%357元/5g;   627元/100g;   1418元/250g;   4536元/1kg;   展开

基本信息

Ref#
16090

MDL
2414

分子式
C7 H4 Cl2 O2

分子量
191.01

139572Sigma-Aldrich2,4-Dichlorobenzoic Acid98%246.35元/5 G;   332.4元/100 G;   展开

产品说明

一般描述

2,4-二氯苯甲酸是太阳辐射驱动光-fenton 降解水中氯苯磷的产物。

应用

采用 2,4-二氯苯甲酸固相萃取,气相色谱法测定地表水中的极性酸性除草剂。在嘧啶并 [2′,1′:2,3] 噻唑并 [4,5-b] 喹喔啉衍生物 的合成中用作试剂。在 1-(取代)-1,4-二氢-6-硝基-4-氧代-7-(次级氨基)-喹啉-3-羧酸的合成过程中,将其用作起始试剂。

包装

5, 100 g in glass bottle

基本信息

线性分子式Cl2C6H3CO2H
分子量191.01
Beilstein1868192
EC 号200-067-8
MDL编号MFCD00002414
PubChem化学物质编号24848423
NACRESNA.22

产品性质

质量水平100
测定98%
mp157-160 ℃ (lit.)
溶解性ethanol: soluble 1 g/10 mL, clear, colorless
SMILES stringOC(=O)c1ccc(Cl)cc1Cl
InChI1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
InChI keyATCRIUVQKHMXSH-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语:Warning
危险声明H302 - H315 - H319 - H335
预防措施声明P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
危险分类Acute Tox. 4 Oral - 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
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
36749Supelco2,4-Dichlorobenzoic AcidPESTANAL®, analytical standard507.18元/1 G;   展开

产品说明

应用

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

其他说明

Ion Mobility: TWCCSN2 value of 146.1 Å2 [M-H]-

The collision cross section (CCS) measurement was provided by Waters Corporation, using the SYNAPT XS mass spectrometer.
For a description and overview of how ion mobility enables the measurement of the CCS of an ion visit ims.waters.com.
Further information on the SYNAPT XS mass spectrometer can be found on the IMS microsite and product webpage.

TWCCS measurements are expected to be within 2% of this reference value.

P/N 36749 is part of the Waters Extractables & Leachables UNIFI scientific library which can be downloaded from Waters Marketplace.

法律信息

PESTANAL is a registered trademark of sigma-aldrich International GmbH

基本信息

线性分子式Cl2C6H3CO2H
分子量191.01
Beilstein1868192
EC 号200-067-8
MDL编号MFCD00002414
PubChem化学物质编号329755492
NACRESNA.24

产品性质

等级analytical standard
质量水平100
产品线PESTANAL®
保质期limited shelf life, expiry date on the label
technique(s)HPLC: suitable
gas chromatography (GC): suitable
mp157-160 ℃ (lit.)
application(s)agriculture
environmental
格式neat
SMILES stringOC(=O)c1ccc(Cl)cc1Cl
InChI1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
InChI keyATCRIUVQKHMXSH-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语:Warning
危险声明H302 - H315 - H319 - H335
预防措施声明P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
危险分类Acute Tox. 4 Oral - 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
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
PHR2457Supelco2,4-Dichlorobenzoic AcidPharmaceutical Secondary Standard; Certified Reference Material4606.11元/100 MG;   展开

产品说明

一般描述

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

分析说明

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

其他说明

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

附注

To see an example of a Certificate of Analysis for this material enter LRAC5256 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

基本信息

线性分子式Cl2C6H3CO2H
分子量191.01
Beilstein1868192
MDL编号MFCD00002414

产品性质

等级certified reference material
pharmaceutical secondary standard
形式powder
CofAcurrent certificate can be downloaded
包装pkg of 100 mg
mp157-160 ℃ (lit.)
储存温度2-8℃
SMILES stringOC(=O)c1ccc(Cl)cc1Cl
InChI1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
InChI keyATCRIUVQKHMXSH-UHFFFAOYSA-N

安全信息

象形图GHS07
警示用语:Warning
危险声明H302 - H315 - H319 - H335
预防措施声明P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
危险分类Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官Respiratory system
储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
078692Fluorochem2,4-Dichlorobenzoic Acid98%220元/100g;   展开

基本信息

CAS Number50-84-0
MDL NumberMFCD00002414
Melting Point163-167℃

安全信息

图形或危害标志
危险性说明 H302: Harmful if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H332: Harmful if inhaled.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
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).
P330: Rinse mouth.
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.
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 .
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