偏苯三酸酐

偏苯三酸酐用途

【用途一】
用于制聚酯树脂、聚酰亚胺树脂、耐高温绝缘材料、聚氯乙烯增塑剂等
【用途二】
用于制不饱和聚酯树脂、聚酰亚胺树脂、聚氯乙烯耐热增塑剂、环氧树脂固化剂、染料、电容器浸渍油和胶粘剂等
【用途三】
1,2,4-苯三甲酸酐由美国阿莫科公司在1962年首先实现工业化生产以后，随着乙烯装置在大型化，三甲苯的资源增加，而该品作为耐热性、耐候性优良的增塑剂的原料，其消费量也在不断增加，1,2,4-苯三甲酸酐呈增长的趋势。在总消费量中，该品的90%以上用于聚氯乙烯增塑剂偏苯三酸二辛酯。随着各种电器产品的普及，在各类电气产品的发热部分均可使用耐热性优良的偏苯三酸酐类增塑剂。该品还用于制造聚酯树脂及聚酰亚胺树脂、水溶性聚酯树脂、水溶性聚氨酯树脂、水溶性氨基醇酸树脂以及高级航空润滑油、电力电容器浸渍油、粒料粘结剂、施胶剂、消烟剂、瞬时粘结剂等。在电线电缆方面、汽车内部装饰的坐垫人造革、电动洗衣机排水软管、百叶窗帘、手提包、密封材料及填料等方面，都有其应用领域。1,2,4-苯三甲酸酐还可用作环氧树脂固化剂、耐热绝缘层压物，耐热清漆、稳定剂、染料颜料，表面活性剂、胶片，以及水溶性涂料用的多元酸等。

【用途四】
有机合成。制备树脂、黏合剂、聚合物、染料、油墨。增塑剂。

偏苯三酸酐名称

[ CAS 号 ]:
552-30-7

[ 中文名 ]:
偏苯三酸酐

[ 英文名 ]:
trimellitic anhydride

[中文别名 ]:

[英文别名 ]:

EINECS 209-008-0
Anhydrosepedonin
MFCD00005925
Anhydrotrimellitic acid
4-carboxyphthalic anhydride
1,2,4-Benzenetricarboxylic anhydride

偏苯三酸酐物理化学性质

[ 密度 ]:
1.7±0.1 g/cm3

[ 沸点 ]:
470.6±28.0 °C at 760 mmHg

[ 熔点 ]:
163-166 °C(lit.)

[ 分子式 ]:
C₉H₄O₅

[ 分子量 ]:
192.125

[ 闪点 ]:
201.3±17.5 °C

[ 精确质量 ]:
192.005875

[ PSA ]:
80.67000

[ LogP ]:
1.28

[ 外观性状 ]:
白色至灰白色片

[ 蒸汽密度 ]:
6.6 (vs air)

[ 蒸汽压 ]:
0.0±1.2 mmHg at 25°C

[ 折射率 ]:
1.662

[ 储存条件 ]:
存放于惰性气体之中;避免湿气 (分解)

[ 稳定性 ]:
Stable. Moisture sensitive.

[ 水溶解性 ]:
DECOMPOSES

偏苯三酸酐MSDS

详细MSDS(安全技术说明书)

偏苯三酸酐毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DC2050000

CHEMICAL NAME :: 1,2,4-Benzenetricarboxylic acid 1,2-anhydride

CAS REGISTRY NUMBER :: 552-30-7

BEILSTEIN REFERENCE NO. :: 0009394

LAST UPDATED :: 199712

DATA ITEMS CITED :: 25

MOLECULAR FORMULA :: C9-H4-O5

MOLECULAR WEIGHT :: 192.13

WISWESSER LINE NOTATION :: T56 BVOVJ GVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >7400 mg/m3/4H

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

REFERENCE :: 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1642,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1900 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea

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: 18(7),57,1974

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 5600 mg/kg

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

REFERENCE :: 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1642,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 258 ug/m3/6H/10D-I

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 87,67,1987 *** REVIEWS *** ACGIH TLV-CL 0.04 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.005 ppm (0.059 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3 JAN 1993 OEL-FRANCE:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.004 ppm (0.04 mg/m3) JAN 1993 OEL-RUSSIA:STEL 0.1 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.005 ppm (0.04 mg/m3);STEL 0.01 ppm JAN 1993 OEL-UNITED KINGDOM:TWA 0.04 mg/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 RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TRIMELLITIC ANHYDRIDE-air:10H TWA 0.005 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83588 No. of Facilities: 196 (estimated) No. of Industries: 8 No. of Occupations: 31 No. of Employees: 11308 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83588 No. of Facilities: 358 (estimated) No. of Industries: 9 No. of Occupations: 13 No. of Employees: 17745 (estimated) No. of Female Employees: 5236 (estimated)

偏苯三酸酐安全信息

[ 符号 ]:

GHS05, GHS07, GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H317-H318-H334-H335

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338-P342 + P311

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

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R37;R41;R42/43

[ 安全声明 (欧洲) ]:
S22-S26-S36/37/39

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

[ WGK德国 ]:
1

[ RTECS号 ]:
DC2050000

[ 海关编码 ]:
29173980

偏苯三酸酐合成路线

详细合成路线

偏苯三酸酐上下游产品

偏苯三酸酐上游产品

偏苯三酸酐下游产品

偏苯三酸酐制备

(1)以1,2,4-三甲苯为原料，经液相硝酸氧化法或钴（或锰）催化空气氧化法制得。

空气氧化法的原料消耗定额：1,2,4-三甲苯（≥97%）1000kg/t；乙酸800kg/t；乙酸钴10kg/t；乙酸锰7.5kg/t；四溴乙烷10kg/t。

(2)硝酸法将1，2，4-三甲苯和含量为7%-9%的稀硝酸加入反应器，搅拌下加热升温至170-190℃，在某些方面MPa的压力下进行液相氧化反应。氧化结晶完成后，再经离心分离和干燥而得粗1，2，4-苯三甲酸。将粗品苯三甲酸加入带搅拌的容器中搅拌下加热至220-230℃进行熔融、脱水，再于42663Pa压力下进行减压蒸馏，最后经冷却放料至带式运输机冷凝成薄片状，即得成品。（3）间二甲苯甲醛液相氧化法（MGC法）以间二甲苯为原料，在液体超强酸HF-BF3催化下，与CO进行甲酰化反应，生成2,4-二甲基苯甲醛（又名芳香醛），然后在水溶液中，以溴化锰和溴化氢作催化剂，于200-220℃、1.96-2.94MPa下，用空气氧化2,4-二甲基苯甲醛，生成偏苯三酸，最后脱水，制得TMA。

偏苯三酸酐海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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