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对氨基苯甲酸

对氨基苯甲酸用途

4-Aminobenzoic acid是叶酸由细菌,植物和真菌的合成中的中间体。
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对氨基苯甲酸名称

[ CAS 号 ]:
150-13-0

[ 中文名 ]:
4-氨基苯甲酸

[ 英文名 ]:
4-Aminobenzoic acid

[中文别名 ]:

[英文别名 ]:

对氨基苯甲酸生物活性

[ 描述 ]:

4-Aminobenzoic acid是叶酸由细菌,植物和真菌的合成中的中间体。

[ 相关类别 ]:

天然产物 >> 酸和醛
研究领域 >> 其他

[ 靶点 ]

Human Endogenous Metabolite


[相关活性小分子]

3-甲基腺嘌呤 | 氢化可的松 | N-乙酰半胱氨酸 | 维生素A酸; 视黄酸 | 褪黑素 | 地诺前列酮 | 烟酰胺 | 5'-三磷酸腺苷 | 对乙酰氨基苯酚 | 列腺素 E1 | 去氢表雄酮 | 肾上腺酮 | 孕酮; 黄体素; 黄体酮 | 二十二碳六烯酸 | 辅酶I

对氨基苯甲酸物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
339.9±25.0 °C at 760 mmHg

[ 熔点 ]:
187-189 °C(lit.)

[ 分子式 ]:
C7H7NO2

[ 分子量 ]:
137.136

[ 闪点 ]:
159.4±23.2 °C

[ 精确质量 ]:
137.047684

[ PSA ]:
63.32000

[ LogP ]:
0.83

[ 外观性状 ]:
白色至灰白色结晶粉末

[ 蒸汽压 ]:
0.0±0.8 mmHg at 25°C

[ 折射率 ]:
1.637

[ 储存条件 ]:
库房通风低温干燥

[ 稳定性 ]:
Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.

[ 水溶解性 ]:
4.7 g/L (20 ºC)

对氨基苯甲酸MSDS

对氨基苯甲酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DG1400000
CHEMICAL NAME :
Benzoic acid, p-amino-
CAS REGISTRY NUMBER :
150-13-0
BEILSTEIN REFERENCE NO. :
0471605
LAST UPDATED :
199710
DATA ITEMS CITED :
17
MOLECULAR FORMULA :
C7-H7-N-O2
MOLECULAR WEIGHT :
137.15
WISWESSER LINE NOTATION :
ZR DVQ

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 :
>6 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>3450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2850 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1830 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
182 mg/kg/26W-I
TOXIC EFFECTS :
Liver - other changes Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2500 mg/kg
SEX/DURATION :
female 1-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
REFERENCE :
ATSUDG Archives of Toxicology, Supplement. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) No.1- 1978- Volume(issue)/page/year: 5,355,1982 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,249,1978 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,249,1978 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80471 No. of Facilities: 144 (estimated) No. of Industries: 3 No. of Occupations: 10 No. of Employees: 8957 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80471 No. of Facilities: 821 (estimated) No. of Industries: 3 No. of Occupations: 21 No. of Employees: 10227 (estimated) No. of Female Employees: 6397 (estimated)
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对氨基苯甲酸安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H317-H319-H335-H413

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338

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

[ RTECS号 ]:
DG1400000

[ 海关编码 ]:
29224995

对氨基苯甲酸合成路线

对氨基苯甲酸上下游产品

对氨基苯甲酸制备

1.在反应锅内依次加入水、氯化钠、盐酸。开动搅拌并升温至50-60℃,加入9/10量的铁粉,继续升温到98-102℃,保温1h,停止加热,于95℃慢慢加入对硝基苯甲酸,约1-1.5h加完,补加铁粉,在98-102℃保温1h,放冷至80℃,加入30%液碱调节pH=8.5-9,压滤,用少量水洗,滤液与少量洗液合并,压入酸析锅,冷至30-34℃,加入保险粉脱色,过滤。滤液加酸调节pH=3.5-4,继续冷至10℃以下,甩水、干燥即得成品。收率84-88%。(2)由对硝基苯甲酸经催化加氢而得在1000ml烧杯中加入工业品对硝基苯甲酸及水,在搅拌下用22%氢氧化钠调整pH=6-7,然后加阮尼镍,在搅拌下把料液抽入摇摆式高压釜中,分别用氢气、氮气各置换两次、再充压至3.43MPa,在压力3.43-2.54MPa、温度134-140℃下反应5h左右,至氢压不下降为终点。反应结束后过滤、干燥而得成品。收率80%以上。

2.工业生产主要有两种方法。

(1)对酯基苯甲酸经铁粉还原而成。反应式如下:

(2)由对硝基苯甲酸经催化加氢而得。反应式如下:

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对氨基苯甲酸海关

[ 海关编码 ]: 2922499990

[ 中文概述 ]:
2922499990 其他氨基酸及其酯及它们的盐(含有一种以上含氧基的除外). 增值税率:17.0% 退税率:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 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, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: P.进境动植物、动植物产品检疫 Q.出境动植物、动植物产品检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

对氨基苯甲酸文献

Protein enrichment of an Opuntia ficus-indica cladode hydrolysate by cultivation of Candida utilis and Kluyveromyces marxianus.

J. Sci. Food Agric. 95(5) , 1094-102, (2015)

The cladodes of Opuntia ficus-indica (prickly pear cactus) have a low protein content; for use as a balanced feed, supplementation with other protein sources is therefore desirable. We investigated pr...

A label free aptasensor for Ochratoxin A detection in cocoa beans: An application to chocolate industries.

Anal. Chim. Acta 889 , 106-12, (2015)

Contamination of food by mycotoxin occurs in minute/trace quantities. Nearly 92.5% of the cocoa samples present Ochratoxin A (OTA) levels at trace quantity. Hence, there is a necessity for a highly se...

Solubilization of gliadins for use as a source of nitrogen in the selection of bacteria with gliadinase activity.

Food Chem. 168 , 439-44, (2014)

For patients with celiac disease, gliadin detoxification via the use of gliadinases may provide an alternative to a gluten-free diet. A culture medium, in which gliadins were the sole source of nitrog...


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¥469.0/5g ¥需询单/1g ¥需询单/1g ¥需询单/1g

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产品详情:[Perfemiker]对氨基苯甲酸,AR,99%


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