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1,3-二氧戊环

1,3-二氧戊环用途

【用途一】
主要用作油和脂肪的溶剂、提取剂，锂电池的电解溶剂，氯基溶剂稳定剂，药物中间体等
【用途二】
该品是共聚甲醛的第二单体，与三聚甲醛以95：5的比例进行共聚以生产共聚甲醛。该品也作为溶剂使用，也是丝绸整理剂及封口用胶。

1,3-二氧戊环名称

[ CAS 号 ]:
646-06-0

[ 中文名 ]:
1,3-二氧戊环

[ 英文名 ]:
1,3-Dioxolane

[中文别名 ]:

[英文别名 ]:

1.3-dioxolane
1,4-dioxolane
1,3-Dioxolan
1,3-dioxalane
Formal glycol
MFCD00003207
ethylene glycol methylene ether
trans dioxolane
ethylene glycol formal
EINECS 211-463-5

1,3-二氧戊环物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
75.6±0.0 °C at 760 mmHg

[ 熔点 ]:
−95 °C(lit.)

[ 分子式 ]:
C₃H₆O₂

[ 分子量 ]:
74.078

[ 闪点 ]:
1.7±0.0 °C

[ 精确质量 ]:
74.036781

[ PSA ]:
18.46000

[ LogP ]:
-0.73

[ 外观性状 ]:
透明液体

[ 蒸汽密度 ]:
2.6 (vs air)

[ 蒸汽压 ]:
114.6±0.1 mmHg at 25°C

[ 折射率 ]:
1.397

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、酸类分开存放

[ 稳定性 ]:
Below 4°C

[ 水溶解性 ]:
SOLUBLE

1,3-二氧戊环MSDS

1,3-二氧戊环毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JH6760000

CHEMICAL NAME :: 1,3-Dioxolane

CAS REGISTRY NUMBER :: 646-06-0

LAST UPDATED :: 199806

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C3-H6-O2

MOLECULAR WEIGHT :: 74.09

WISWESSER LINE NOTATION :: T5O COTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3 gm/kg

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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20650 mg/m3/4H

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - renal function tests depressed

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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10500 mg/m3/2H

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

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 32000 ppm/4H

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 :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 8480 uL/kg

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

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1360 mg/m3/4H/22W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - urine volume increased Blood - other changes

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3000 ppm/6H/13W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - other changes in urine composition Endocrine - changes in spleen weight Blood - changes in leukocyte (WBC) count

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1360 mg/m3/4H/22W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - urine volume increased Blood - other changes

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 105000 mg/m3/50D-I

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS

MUTATION DATA

TEST SYSTEM :: Rodent - rat

DOSE/DURATION :: 290 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-HUNGARY:TWA 10 mg/m3;STEL 20 mg/m3;Skin;Carcinogen JAN 1993 OEL-RUSSIA:STEL 50 mg/m3;Skin JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84001 No. of Facilities: 256 (estimated) No. of Industries: 13 No. of Occupations: 23 No. of Employees: 10612 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84001 No. of Facilities: 5264 (estimated) No. of Industries: 86 No. of Occupations: 44 No. of Employees: 74949 (estimated) No. of Female Employees: 747 (estimated)

1,3-二氧戊环安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H319

[ 警示性声明 ]:
P210-P305 + P351 + P338-P370 + P378-P403 + P235

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
F:Flammable;

[ 风险声明 (欧洲) ]:
R11

[ 安全声明 (欧洲) ]:
S16

[ 危险品运输编码 ]:
UN 1166 3/PG 2

[ WGK德国 ]:
1

[ RTECS号 ]:
JH6760000

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
29329970

1,3-二氧戊环合成路线

1,3-二氧戊环上下游产品

1,3-二氧戊环上游产品

1,3-二氧戊环下游产品

1,3-二氧戊环制备

由多聚甲醛与乙二醇反应而得。多聚甲醛与乙二醇以1：1.25摩尔比投入反应釜中，用强酸性离子交换树脂作催化剂，在90-110℃进行常压反应。从蒸馏柱顶部馏出70-74℃共沸物，经氯化钠盐析及无水氯化钙脱水后，再进行蒸馏提纯，切取71-74℃馏分，用分子筛将水分脱至200ppm，即得成品。
另一种操作是使多聚甲醛与乙二醇在浓硫酸存在下反应，经氯化钠盐析；固碱干燥，精馏得到产品。
原料消耗定额：多聚甲醛（93-95%）750kg/t；乙二醇200kg/t。

1,3-二氧戊环海关

[ 海关编码 ]: 29329970

1,3-二氧戊环文献

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J. Org. Chem. 73(7) , 2518-26, (2008)

The epoxide moiety in the fullerene-mixed peroxide C60(O)(OOtBu)4 1 reacts readily with aryl isocyanates ArNCS (Ar = Ph, Naph) to form both the thiirane derivative C60(S)(OOtBu)4 and fullerene-fused t...

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