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对氯苯甲醛

对氯苯甲醛用途

用于医药、染料中间体，用于制造芬那露、氨苯氨酪酸等。

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对氯苯甲醛名称

[ CAS 号 ]:
104-88-1

[ 中文名 ]:
4-氯苯甲醛

[ 英文名 ]:
4-Chlorobenzaldehyde

[中文别名 ]:

对氯苯甲醛

[英文别名 ]:

AMMONIUM STANDARD
AMMONIA WATER
4-chloro-benzaldehyde
EINECS 203-247-4
4-Fluorobenzaldehyde
AMMONIA GAS
4-Chlorbenzaldehyd
AQUEOUS AMMONIA
4-Chlorobenzaldehyde
p-Fluorobenzaldehyde

对氯苯甲醛物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
213.7±13.0 °C at 760 mmHg

[ 熔点 ]:
46 °C

[ 分子式 ]:
C₇H₅ClO

[ 分子量 ]:
140.567

[ 闪点 ]:
87.8±0.0 °C

[ 精确质量 ]:
140.002899

[ PSA ]:
17.07000

[ LogP ]:
2.21

[ 外观性状 ]:
白色固体

[ 蒸汽密度 ]:
0.6 (vs air)

[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C

[ 折射率 ]:
1.585

[ 储存条件 ]:
库房低温通风干燥

[ 稳定性 ]:
Stable, but air and light-sensitive. Incompatible with strong bases, strong reducing agents, strong oxidizing agents.

[ 水溶解性 ]:
935 mg/L (20 ºC)

对氯苯甲醛MSDS

对氯苯甲醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CU5076000

CHEMICAL NAME :: Benzaldehyde, p-chloro-

CAS REGISTRY NUMBER :: 104-88-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C7-H5-Cl-O

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 :: 1575 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Behavioral - excitement

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: 31(2),50,1987

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >473 mg/m3/4H

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: 31(2),50,1987

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1400 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Behavioral - excitement

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: 31(2),50,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4033 No. of Facilities: 50 (estimated) No. of Industries: 3 No. of Occupations: 21 No. of Employees: 6571 (estimated) No. of Female Employees: 916 (estimated)

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对氯苯甲醛安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302-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) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22;R36/38;R51/53

[ 安全声明 (欧洲) ]:
S26-S61-S37/39-S36

[ 危险品运输编码 ]:
UN 1219 3/PG 2

[ WGK德国 ]:
2

[ RTECS号 ]:
CU5076000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

[ 海关编码 ]:
2913000090

对氯苯甲醛合成路线

对氯苯甲醛上下游产品

对氯苯甲醛上游产品

对氯苯甲醛下游产品

对氯苯甲醛制备

（1）由对氯甲苯氯化水解而得：将对氯甲苯和三氯化磷加入反应锅，在光照下升温至 155℃ ，通入氯气。控制温度在160 -170℃ ，通氯至计算量，得氯化液。搅拌下将其加入浓硫酸中，常温搅拌5h。静置分层，取下层液放入冰水中结晶，冷至 5℃ 以下过滤。滤饼用冰水洗涤得粗品，减压蒸馏，收集108 -111℃ （3.33kPa）馏分即得成品。

（2）对氯甲苯二氧化锰氧化法：先将对氯甲苯加入反应锅，再加入70%硫酸，在70℃以下慢慢加入二氧化锰。加毕，反应0.5h，再用水蒸气蒸馏。另外，对氯甲苯用空气氧化也可以得到对氯苯甲醛。

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对氯苯甲醛海关

[ 海关编码 ]: 2913000090

[ 中文概述 ]:
2913000090 品目2912所列产品的其他衍生物〔指卤化,磺化,硝化或亚硝化的衍生物〕. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

对氯苯甲醛文献

A universal quantitative ¹H nuclear magnetic resonance (qNMR) method for assessing the purity of dammarane-type ginsenosides.

Phytochem. Anal. 26(1) , 8-14, (2014)

Quantitative (1)H-NMR (qNMR) is a well-established method for quantitative analysis and purity tests. Applications have been reported in many areas, such as natural products, foods and beverages, meta...

Acetalization allows the photoheterolysis of the Ar-Cl bond in chlorobenzaldehydes and chloroacetophenones.

J. Org. Chem. 77(20) , 9094-101, (2012)

The nonaccessibility of phenyl cations by irradiation of electron-poor aryl chlorides was circumvented by transforming the carbonyl group of aromatic ketones or aldehydes into the corresponding 1,3-di...

Growth of Thin, Anisotropic, π-Conjugated Molecular Films by Stepwise "Click" Assembly of Molecular Building Blocks: Characterizing Reaction Yield, Surface Coverage, and Film Thickness versus Addition Step Number.

J. Am. Chem. Soc. 137 , 8819-28, (2015)

We report the systematic characterization of anisotropic, π-conjugated oligophenyleneimine (OPI) films synthesized using stepwise imine condensation, or "click" chemistry. Film synthesis began with a ...

更多文献

对氯苯甲醛

对氯苯甲醛用途

对氯苯甲醛名称

对氯苯甲醛物理化学性质

对氯苯甲醛MSDS

详细MSDS(安全技术说明书)

对氯苯甲醛毒性和生态

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

对氯苯甲醛安全信息

对氯苯甲醛合成路线

详细合成路线

对氯苯甲醛上下游产品

对氯苯甲醛上游产品

对氯苯甲醛下游产品

对氯苯甲醛制备

对氯苯甲醛海关

对氯苯甲醛文献

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