三聚甲醛
三聚甲醛用途
三聚甲醛名称
[ CAS 号 ]:
110-88-3
[ 中文名 ]:
三聚甲醛
[ 英文名 ]:
trioxane
[中文别名 ]:
[英文别名 ]:
- 1,3,5-Trioxane
- s-Trioxane
- Metaformaldehyde
- MFCD00006563
- EINECS 203-812-5
- trioxane
三聚甲醛物理化学性质
[ 密度 ]:
1.1±0.1 g/cm3
[ 沸点 ]:
114.5±0.0 °C at 760 mmHg
[ 熔点 ]:
59-62 °C(lit.)
[ 分子式 ]:
C3H6O3
[ 分子量 ]:
90.078
[ 闪点 ]:
45.0±0.0 °C
[ 精确质量 ]:
90.031693
[ PSA ]:
27.69000
[ LogP ]:
-0.62
[ 外观性状 ]:
白色结晶, 有轻微的甲醛气味。
[ 蒸汽压 ]:
23.5±0.2 mmHg at 25°C
[ 折射率 ]:
1.385
[ 储存条件 ]:
Flammables area
[ 水溶解性 ]:
221 g/L (25 ºC)
三聚甲醛MSDS
三聚甲醛毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YK0350000
- CHEMICAL NAME :
- s-Trioxane
- CAS REGISTRY NUMBER :
- 110-88-3
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 5
- MOLECULAR FORMULA :
- C3-H6-O3
- MOLECULAR WEIGHT :
- 90.09
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
- TEST SYSTEM :
- Rodent - rat
- DOSE/DURATION :
- 425 mg/kg
- REFERENCE :
- STBIBN Studia Biophysica. (Akademie-Verlag GmbH, Postfach 1233, Berlin DDR-1086, Ger. Dem. Rep.) V.1- 1966- Volume(issue)/page/year: 107,205,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1914 No. of Facilities: 138 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 5829 (estimated)
三聚甲醛安全信息
[ 符号 ]:
GHS02, GHS07, GHS08
[ 信号词 ]:
Danger
[ 危害声明 ]:
H228-H335-H361d
[ 警示性声明 ]:
P210-P261-P281
[ 个人防护装备 ]:
Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
F:Flammable;Xn:Harmful;
[ 风险声明 (欧洲) ]:
R11;R37;R63
[ 安全声明 (欧洲) ]:
S36/37-S46
[ 危险品运输编码 ]:
UN 1325 4.1/PG 2
[ WGK德国 ]:
1
[ RTECS号 ]:
YK0350000
[ 包装等级 ]:
III
[ 危险类别 ]:
4.1
[ 海关编码 ]:
2912600000
三聚甲醛合成路线
三聚甲醛上下游产品
三聚甲醛上游产品
三聚甲醛下游产品
三聚甲醛制备
将含有2%-5%硫酸的60%甲醛水溶液连续蒸馏，取残液用苯萃取再蒸馏而制得。在一定条件下也可生成四聚甲醛。四聚甲醛的熔点为112℃，沸点175℃。三聚甲醛和四聚甲醛在酸的作用下，都可重新分解成甲醛，都是甲醛的一种特殊商品形式。
精制方法：主要杂质是甲醛。用氯仿一类不溶于水的溶剂萃取出三烷，再进行常压蒸馏精制。
三聚甲醛海关
[ 海关编码 ]: 2934999090
[ 中文概述 ]:
2934999090. 其他杂环化合物. 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 ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
三聚甲醛文献
Toxicol. Lett. 21(3) , 349-52, (1984)
The possible genotoxic effects of dioxolane and trioxane were studied using the micronucleus test. Mice were given dioxolane and trioxane i.p. in two doses at 24-h intervals. Dioxolane at doses from 1...
Biodegradation of formaldehyde and its derivatives in industrial wastewater with methylotrophic yeast Hansenula polymorpha and with the yeast-bioaugmented activated sludge.Biodegradation 13(2) , 91-9, (2002)
Methylotrophic yeast Hansenula polymorpha were shown to cooperate with activated sludge from biological wastewater treatment stations, enhancing substantially its potential to biodegrade formaldehyde ...
Reinvestigation of the Two-step Synthesis of Sevoflurane.Iran. J. Pharm. Res. 14 , 733-8, (2015)
Improvements in the two-step synthesis of 1,1,1,3,3,3-hexafluoro-2- (fluoromehoxy)propane (Sevoflurane) that result in the product cost reduction, safety level enhancement and positive environmental i...
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