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对苯二甲酸(PTA)

对苯二甲酸(PTA)用途

Terephthalic acid 是三种酞酸盐的一种异构体,是聚酯PET的前体,可用于制作服装和塑料。
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对苯二甲酸(PTA)名称

[ CAS 号 ]:
100-21-0

[ 中文名 ]:
对苯二甲酸

[ 英文名 ]:
Terephthalic acid

[中文别名 ]:

[英文别名 ]:

对苯二甲酸(PTA)生物活性

对苯二甲酸(PTA)物理化学性质

[ 密度 ]:
1,51 g/cm3

[ 沸点 ]:
392.4ºC at 760 mmHg

[ 熔点 ]:
300 °C

[ 分子式 ]:
C8H6O4

[ 分子量 ]:
166.13100

[ 闪点 ]:
260°C

[ 精确质量 ]:
166.02700

[ PSA ]:
74.60000

[ LogP ]:
1.08300

[ 外观性状 ]:
固体;White to Almost white powder to crystal

[ 蒸汽压 ]:
1.83E-15mmHg at 25°C

[ 折射率 ]:
1.648

[ 储存条件 ]:
0-6°C

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

[ 水溶解性 ]:
水溶性:实际上不溶;水溶解度:2.8 g/l   20 °C;可溶于:二甲基甲酰胺;极微溶:醇;不溶:乙醚,乙醇,氯仿

对苯二甲酸(PTA)MSDS

对苯二甲酸(PTA)毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WZ0875000
CHEMICAL NAME :
Terephthalic acid
CAS REGISTRY NUMBER :
100-21-0
BEILSTEIN REFERENCE NO. :
1909333
LAST UPDATED :
199712
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C8-H6-O4
MOLECULAR WEIGHT :
166.14
WISWESSER LINE NOTATION :
QVR DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,317,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1430 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 16,1655,1968
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
767 mg/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: 18,469,1971 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
364 gm/kg/1Y-C
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Liver - changes in liver weight
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570926
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 mg/m3/2H/26W-I
TOXIC EFFECTS :
Vascular - BP lowering not characterized in autonomic section Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 7,91,1965
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5964 mg/kg/7D-I
TOXIC EFFECTS :
Liver - liver function tests impaired
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 16,1655,1968 *** REVIEWS *** ACGIH TLV-TWA 10 mg/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: TLV/BEI,1997 TOXICOLOGY REVIEW BPCT** Progress Report from the Environmental Protection Agency to NIOSH on Benzenepolycarboxylates, 1974 Volume(issue)/page/year: -,183,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82013 No. of Facilities: 1682 (estimated) No. of Industries: 26 No. of Occupations: 42 No. of Employees: 22732 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82013 No. of Facilities: 282 (estimated) No. of Industries: 8 No. of Occupations: 16 No. of Employees: 6456 (estimated) No. of Female Employees: 2563 (estimated)
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对苯二甲酸(PTA)安全信息

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

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
WZ0875000

[ 海关编码 ]:
2917361100

对苯二甲酸(PTA)合成路线

对苯二甲酸(PTA)上下游产品

对苯二甲酸(PTA)制备

1. 工业上采用最广、最经济的生产方法,是以对二甲苯为原料的高温液相氧化法。对苯二甲酸的其他生产方法还有对二甲苯低温氧化法、苯酐转位法、甲苯氧化歧化法等。1.对二甲苯高温氧化法对二甲苯以乙酸为溶剂,以乙酸钴-乙酸锰为催化剂,以四溴乙烷为助催化剂,于221-225℃,2.5-3.0MPa下氧化生成对苯二甲酸。对苯二甲酸在乙酸中溶解度不大,氧化产物呈泥浆状,经离心分离、干燥后即得粗对苯二甲酸。其中最有害的杂质是对羧基苯甲醛,含量1000-5000ppm。将粗品在280-290℃、约7MPa压力下溶解于水中,然后在把催化剂存在下进行加氢处理,除去对羧基苯甲酸,经结晶、过滤、洗涤、干燥,即得纤维级对苯二甲酸。2.对二甲苯低温氧化法原料对二甲苯在醋酸溶剂中,以醋酸钴(或醋酸锰)及溴化物为催化剂,以三聚乙醛为氧化促进剂,在100-130℃温度和3MPa压力下,用空气一步低温氧化,反应产物用醋酸洗涤,然后干燥得产品对苯二甲酸。

2. 由对二甲苯经氧化,或由对二甲苯氨氧化成对苯二甲腈再水解而得。

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对苯二甲酸(PTA)海关

[ 海关编码 ]: 2917361100

[ 中文概述 ]:
2917361100 精对苯二甲酸〔白色针状结晶或粉末,密度1.510,主要技术指标为4-羧基苯甲醛(4-CBA)≤25PPM〕。监管条件:无。增值税率:17.0%。退税率:13.0%。最低关税:6.5%。普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分, 原产地证据文件及编号(例 附原产地证书, 原产于韩国、泰国的

[ Summary ]:
2917361100 terephthalic acid。Supervision conditions:None。VAT:17.0%。Tax rebate rate:13.0%。Lowest tariff:6.5%。General tariff:30.0%

对苯二甲酸(PTA)文献

Pd-Ir Core-Shell Nanocubes: A Type of Highly Efficient and Versatile Peroxidase Mimic.

ACS Nano 9 , 9994-10004, (2015)

Peroxidase mimics with dimensions on the nanoscale have received great interest as emerging artificial enzymes for biomedicine and environmental protection. While a variety of peroxidase mimics have b...

Metal-organic framework UiO-66 modified magnetite@silica core-shell magnetic microspheres for magnetic solid-phase extraction of domoic acid from shellfish samples.

J. Chromatogr. A. 1400 , 10-8, (2015)

Fe3O4@SiO2@UiO-66 core-shell magnetic microspheres were synthesized and characterized by transmission electron microscopy, scanning electron microscopy, X-ray diffraction, Fourier transform infrared s...

Micro-solid-phase extraction of organochlorine pesticides using porous metal-organic framework MIL-101 as sorbent.

J. Chromatogr. A. 1401 , 9-16, (2015)

In this study, a metal-organic framework material, MIL-101, used as a micro-solid-phase extraction (μ-SPE) sorbent for efficient enrichment of five organochlorine pesticides (OCPs), including α-HCH, A...


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【对苯二甲酸(PTA)】化源网提供对苯二甲酸(PTA)CAS号100-21-0,对苯二甲酸(PTA)MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询对苯二甲酸(PTA)上化源网,专业又轻松。>>电脑版:对苯二甲酸(PTA)

标题:对苯二甲酸(PTA)_MSDS_用途_密度_CAS号【100-21-0】_化源网 地址:https://m.chemsrc.com/mip/cas/100-21-0_760712.html