2-苯基乙醛

2-苯基乙醛用途

【用途一】
用于香料工业，是调制花香香精的重要原料
【用途二】
主要用于风信子、水仙、黄水仙、甜豆花等配方中，少量用于其他花香型中，赋予青的头香，有提调香气的作用，如在白玫瑰、紫丁香、玉兰、茉莉等香型中，使其清香透发。在铃兰、兔耳草花、苹果花、桂花、剌莉等香型中，使其清香诱发。在铃兰、兔耳草花、苹果花、桂花、刺槐、紫罗兰、蜜香等香精也有提调香气的作用。也用于精韵百花型及其他香精中。
【用途三】
GB 2760—1996规定为暂时允许使用的食用香料。主要用以配制苦杏仁香精，亦用于草莓、树莓、樱桃、杏子和桃子等型香精。
【用途四】
该品具有洋水仙的优雅香气，是调合多种花香香精用的重要香料之一。
【用途五】
用于香料工业。该品具有洋水仙的优雅香气，是调合多种花香香精用的重要香料之一。

2-苯基乙醛名称

[ CAS 号 ]:
122-78-1

[ 中文名 ]:
苯乙醛

[ 英文名 ]:
Phenylacetaldehyde

[中文别名 ]:

[英文别名 ]:

2-phenylethanal
phenylacetadehyde
acetaldehyde, phenyl-
α-Toluic aldehyde
EINECS 204-574-5
phenyl-acetaldehyd
MFCD00006993
Phenylethanal
2-Phenylacetaldehyde
α-Tolualdehyde

2-苯基乙醛物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
198.0±9.0 °C at 760 mmHg

[ 熔点 ]:
−10 °C(lit.)

[ 分子式 ]:
C₈H₈O

[ 分子量 ]:
120.148

[ 闪点 ]:
89.2±10.2 °C

[ 精确质量 ]:
120.057518

[ PSA ]:
17.07000

[ LogP ]:
1.78

[ 外观性状 ]:
无色至略黄色液体

[ 蒸汽压 ]:
0.4±0.4 mmHg at 25°C

[ 折射率 ]:
1.514

[ 储存条件 ]:
通风低温干燥

[ 稳定性 ]:
Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.

[ 水溶解性 ]:
2.210 g/L (25 ºC)

2-苯基乙醛MSDS

详细MSDS(安全技术说明书)

2-苯基乙醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CY1420000

CHEMICAL NAME :: Benzeneacetaldehyde

CAS REGISTRY NUMBER :: 122-78-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C8-H8-O

MOLECULAR WEIGHT :: 120.16

WISWESSER LINE NOTATION :: VH1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Human

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,377,1979 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1550 mg/kg

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

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,377,1979

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3890 mg/kg

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

REFERENCE :: VPITAR Voprosy Pitaniya. Problems of Nutrition. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1932-41; V.11- 1952- Volume(issue)/page/year: 33(5),48,1974

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2 gm/m3

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

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (2),35,1995

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,377,1979

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 3890 mg/kg

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

REFERENCE :: VPITAR Voprosy Pitaniya. Problems of Nutrition. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1932-41; V.11- 1952- Volume(issue)/page/year: 33(5),48,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9666 No. of Facilities: 2374 (estimated) No. of Industries: 18 No. of Occupations: 23 No. of Employees: 25825 (estimated) No. of Female Employees: 18282 (estimated)

2-苯基乙醛安全信息

[ 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 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22;R43

[ 安全声明 (欧洲) ]:
S26-S36-S37-S24-S16-S7

[ 危险品运输编码 ]:
UN 1170 3/PG 2

[ WGK德国 ]:
2

[ RTECS号 ]:
CY1420000

[ 海关编码 ]:
2912299000

2-苯基乙醛合成路线

详细合成路线

2-苯基乙醛上下游产品

2-苯基乙醛上游产品

2-苯基乙醛下游产品

2-苯基乙醛制备

1.主要采用合成法。以苯甲醛和一氯乙酸乙酯为原料，在乙醇钠存在下反应而得。

2.烟草：BU，56；OR，57；OR，26；FC，BU，OR，18；合成：有苯乙醇经氧化，或由苯乙酸乙酯经还原而制得。

3.制法：

于装有搅拌器的反应瓶中，加入2-碘-1-苯基乙醇（2）20g（81mmol），100mL水，250mL纯化的二氧六环。搅拌下于10min滴加45g硝酸银溶于100mL水的溶液。加完后继续搅拌反应15min，过滤，石油醚提取。有机层水洗后，用含40g亚硫酸氢钠的水溶液提取2次，每次100mL。过滤生成的沉淀，水洗，石榴醚洗涤，得苯乙醛亚硫酸氢钠加成物28g，收率52%。

2-苯基乙醛海关

[ 海关编码 ]: 2912299000

[ 中文概述 ]:
2912299000. 其他不含其他含氧基的环醛. 增值税率:17.0%. 退税率:13.0%. 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, 四聚甲醛报明外观

[ Summary ]:
2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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