对氨基苯胂酸
对氨基苯胂酸用途
对氨基苯胂酸名称
[ CAS 号 ]:
98-50-0
[ 中文名 ]:
对氨基苯砷酸
[ 英文名 ]:
Arsanilic acid
[中文别名 ]:
[英文别名 ]:
- p-Arsanilic acid
- 4-aminobenzenearsonic acid
- 4-Aminophenylarsonic Acid
- EINECS 202-674-3
- (4-Aminophenyl)arsonic acid
- Arsanilic acid
- MFCD00007819
- (p-Aminophenyl)arsonic acid
- 4-Aminophenylarsonsaeure
- 4-arsanilic acid
对氨基苯胂酸物理化学性质
[ 沸点 ]:
528.5±52.0 °C at 760 mmHg
[ 熔点 ]:
≥300 °C(lit.)
[ 分子式 ]:
C6H8AsNO3
[ 分子量 ]:
217.054
[ 闪点 ]:
273.4±30.7 °C
[ 精确质量 ]:
216.972015
[ PSA ]:
83.55000
[ LogP ]:
-1.28
[ 外观性状 ]:
白色结晶粉末
[ 蒸汽压 ]:
0.0±1.5 mmHg at 25°C
[ 储存条件 ]:
库房通风低温干燥,与食品原料分开储运
[ 水溶解性 ]:
SLIGHTLY SOLUBLE IN COLD WATER
对氨基苯胂酸MSDS
对氨基苯胂酸毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CF7875000
- CHEMICAL NAME :
- Arsanilic acid
- CAS REGISTRY NUMBER :
- 98-50-0
- BEILSTEIN REFERENCE NO. :
- 1102334
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 35
- MOLECULAR FORMULA :
- C6-H8-As-N-O3
- MOLECULAR WEIGHT :
- 217.07
- WISWESSER LINE NOTATION :
- ZR D-AS-QQO
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 :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 400 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 80,393,1944
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JCHAAE Journal of Chemotherapy and Advanced Therapeutics. (Philadephia, PA) V.3,1926; V.11(2)-15, 1934-39. Volume(issue)/page/year: 11,34,1934
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 248 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 37,483,1979
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 100 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#06774
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 100 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 23,107,1924 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 243 mg/kg/30D-I
- TOXIC EFFECTS :
- Gastrointestinal - hypermotility, diarrhea Liver - hepatitis (hepatocellular necrosis), zonal Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- LBASAE Laboratory Animal Science. (American Assoc. for Laboratory Animal Science, 210 N. Hammes Ave., Suite 205, Joliet, IL 60435) V.21- 1971- Volume(issue)/page/year: 30,234,1980 *** 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: 23,39,1980 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: As,-,1977 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(As)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,16,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.2 mg(As)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.05 mg(As)/m3;Carcinogen JAN 1993 OEL-BELGIUM:TWA 0.2 mg(As)/m3 JAN 1993 OEL-DENMARK:TWA 0.05 mg(As)/m3 JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.2 mg(As)/m3 JAN 1993 OEL-HUNGARY:STEL 0.5 mg(As)/m3;Carcinogen JAN 1993 OEL-INDIA:TWA 0.2 mg(As)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(As)/m3 JAN 1993 OEL-POLAND:TWA 0.3 mg(As)/m3 JAN 1993 OEL-SWEDEN:TWA 0.03 mg(As)/m3;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(As)/m3;Carcinogen JAN 1993 OEL-THAILAND:TWA 0.5 mg(As)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(As)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg(As)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84586 No. of Facilities: 92 (estimated) No. of Industries: 2 No. of Occupations: 11 No. of Employees: 2552 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84586 No. of Facilities: 175 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 1853 (estimated) No. of Female Employees: 1480 (estimated)
对氨基苯胂酸安全信息
[ 符号 ]:
GHS06, GHS09
[ 信号词 ]:
Danger
[ 危害声明 ]:
H301 + H331-H410
[ 警示性声明 ]:
P261-P273-P301 + P310-P311-P501
[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
T:Toxic;N:Dangerousfortheenvironment;
[ 风险声明 (欧洲) ]:
R23/25;R50/53
[ 安全声明 (欧洲) ]:
S20/21-S28-S45-S60-S61-S28A
[ 危险品运输编码 ]:
UN 3465 6.1/PG 3
[ WGK德国 ]:
3
[ RTECS号 ]:
CF7875000
[ 包装等级 ]:
III
[ 危险类别 ]:
6.1
[ 海关编码 ]:
29310095
对氨基苯胂酸合成路线
对氨基苯胂酸上下游产品
对氨基苯胂酸上游产品
对氨基苯胂酸下游产品
对氨基苯胂酸制备
1、 由对硝基苯胂酸经还原而得。用硫酸调节对硝基苯胂酸溶液的pH值为2.8-3.2。先将1/3体积的对硝基苯胂酸溶液加入反应锅,在搅拌下加铁粉和食盐,并加热至100℃,保温10-15min,达终点时pH为9以上。在95-100℃,0.5h内将其余2/3体积的对硝基苯胂酸溶液加入,继续在100℃保温40-50min,终点时pH为9以上。加入液碱,放置3h以上。过滤,滤液用硫酸调节pH值至4.5。加活性炭,在50-90℃脱色过滤,滤液用硫酸调节使pH为2.8-3.2,冷却至10℃。过滤、洗涤,得对氨基苯胂酸。工业生产以苯胺和五氧化二钾为原料,产品纯度98.5%以上。
2、 (1)以苯胺和五氧化二胂为原料合成。
(2)以苯胺和胂酸反应,先生成苯胺胂酸盐,然后脱水、重排得对氨基苯胂酸。
将74.5g苯胺,四氯乙烯6.0g,升温至125℃加入EDTA0.5g,然后滴加砷酸水溶液36g,随砷酸的加入,产生的水溶剂共沸蒸出,反应温度逐渐升至175℃,此时反应趋于结束,继续回流1h停止反应。反应液冷却后用10%-15%的碱溶液调PH=9,然后于90℃下搅拌1h,分层后水层用活性炭脱色,水蒸气蒸馏脱溶剂。滤液用盐酸调PH=2,然后于104℃回流8h,水解完成后再调PH=2-2.5,静置过滤得粗品,母液可以循环利用。粗品用4倍的水溶解,加入活性炭,调PH=8,于100℃脱色30min趁热过滤。滤液调PH=3,静置析出产品。
此法工艺路线简单,原料易得,但由于胂化反应活性底,副产物多,反应后处理步骤多,单程收率低。
(3)以对硝基苯胺为原料,经重氮化、胂化(置换)和还原而得。
将对硝基苯胺281.8g,工业盐酸352.8g加入反应器,于室温下搅拌,使充分成盐。冷却至0℃后滴加30%亚硝酸钠水溶液,控制温度不超过10℃,以淀粉-KI试纸检查重氮化反应终点。
将323gAsO3和30%的硝酸钠溶液在反应器中升温搅拌,使其完全溶解,并沸腾0.5h。冷却至10℃,加入几滴CuSO4溶液,然后在搅拌下缓缓加入重氮盐溶液反应生成硝基苯胂酸溶液,控制温度不超过30℃。
用硫酸将对硝基苯胂酸溶液的PH调为2.8-3.2,加入328.1g还原铁粉和140g食盐,加热至微回流(110℃)反应2h。稍降温后补加164g铁粉,于回流下反应至PH=9。反应结束(稍冷)后加入200g30%的NaOH溶液,放置5h后过滤。滤液用工业稀硫酸调节PH至4.5,加活性炭于80-90℃下脱色(20min)、过滤。滤液用硫酸调节PH至2.8-3.2冷却至10℃,过滤、洗涤得粗品。
将粗品及少量抗氧化剂和8倍量的去离子水,加热溶解,加入少量医用活性炭回流脱色,趁热过滤、滤液冷却至5℃析出结晶,经过滤、干燥得成品。总收率52%(相对对硝基苯胺)。
4.胂酸加入氯苯在140℃搅拌,通入氮气到反应液层中,滴加苯胺升温至155℃,维持此温度反应,反应过程中蒸出的水、氯苯和苯胺的混合蒸气,反应12h。将上述反应液倒入氢氧化钠,真空蒸去氯苯和未反应的苯胺,蒸毕冷却,加入水混匀,静置冷却过滤,滤液用盐酸调pH=4.5,搅拌冷却至室温,过滤得产物。
对氨基苯胂酸海关
[ 海关编码 ]: 2931900039
[ 中文概述 ]:
2931900039 3-氨基苯胂酸、4-氨基苯胂酸〔间氨基苯胂酸、对氨基苯胂酸〕。监管条件:X(有毒化学品环境管理放行通知单)。增值税率:17.0%。退税率:0.0%。最低关税:6.5%。普通关税:30.0%
[ Summary ]:
2931900039 (4-aminophenyl)arsonic acid。supervision conditions:x(environment control release notice for poisonous chemicals)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:30.0%
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