- 中文别名:硫酸二甲酯
- 中文释义:硫酸二甲酯;硫酸甲酯
- 英文别名:dimethyl sulfate;
Dimetilsolfato;
DIMETHYL SULFATE;
sulfuric acid dimethyl ester;
METHYL SULFATE;
Sulfuricacid, dimethyl ester;
dimethyl sulafte;
Dimethoxysulfone;
Methanesulfate;
Dimethylsulfat;
Dimethylsulfaat;
Methylsulphate;
dimethyl sulphate - cas No.:77-78-1
- 分子式:
C2H6O4S
- 分子量:126.13200
- 精确分子量:125.99900
- PSA:60.98000
- MDL:MFCD00008416
- InChI:InChI=1/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
- 分子结构式:
物化性质
- 外观与性状:
- 透明油性液体
- 密度:
- 1.333
- 熔点:
- -32ºC
- 沸点:
- 188ºC
- 闪点:
- 83ºC
- 水溶解性:
- 2.8 g/100 mL (18℃)
- 折射率:
- 1.386-1.388
- 存储条件/存储方法:
- 库房通风低温干燥,与氧化剂、氨、食品添加剂分开存放
- 稳定性相关:
1.本品剧毒。对呼吸系统黏膜和皮肤有强烈的刺激和腐蚀作用。影响神经系统和血液系统,损害心、肺、肝、肾等功能。大鼠经口LD50为440mg/kg。空气中含量达1%时,吸入人体即有致命危险。最高容许浓度为0.5mg/m3。可用氨水作为解毒剂。操作人员应穿戴防护用具。
2.稳定性[23] 稳定
3.禁配物[24] 强氧化剂、强碱、氨、水
4.避免接触的条件[25] 潮湿空气
5.聚合危害[26] 不聚合
6.分解产物[27] 氧化硫
- 其它信息:
1.性状:无色或浅黄色透明液体,微带洋葱臭味。[1]
2.pH值:<7(1%溶液)[2]
3.熔点(℃):-31.8[3]
4.沸点(分解,℃):188[4]
5.相对密度(水=1):1.33(20℃)[5]
6.相对蒸气密度(空气=1):4.35[6]
7.饱和蒸气压(kPa):2.00(76℃)[7]
8.临界压力(MPa):7.01[8]
9.辛醇/水分配系数:0.16[9]
10.闪点(℃):83(OC);83.3(CC)[10]
11.引燃温度(℃):188[11]
12..爆炸上限(%):23.3[12]
13.爆炸下限(%):3.6[13]
14.溶解性:微溶于水,溶于乙醇、乙醚、丙酮等。[14]
安全信息
- 外观与性状:
- 透明油性液体
- 密度:
- 1.333
- 熔点:
- -32ºC
- 沸点:
- 188ºC
- 闪点:
- 83ºC
- 水溶解性:
- 2.8 g/100 mL (18℃)
- 折射率:
- 1.386-1.388
- 存储条件/存储方法:
- 库房通风低温干燥,与氧化剂、氨、食品添加剂分开存放
- 稳定性相关:
1.本品剧毒。对呼吸系统黏膜和皮肤有强烈的刺激和腐蚀作用。影响神经系统和血液系统,损害心、肺、肝、肾等功能。大鼠经口LD50为440mg/kg。空气中含量达1%时,吸入人体即有致命危险。最高容许浓度为0.5mg/m3。可用氨水作为解毒剂。操作人员应穿戴防护用具。
2.稳定性[23] 稳定
3.禁配物[24] 强氧化剂、强碱、氨、水
4.避免接触的条件[25] 潮湿空气
5.聚合危害[26] 不聚合
6.分解产物[27] 氧化硫
- 其它信息:
1.性状:无色或浅黄色透明液体,微带洋葱臭味。[1]
2.pH值:<7(1%溶液)[2]
3.熔点(℃):-31.8[3]
4.沸点(分解,℃):188[4]
5.相对密度(水=1):1.33(20℃)[5]
6.相对蒸气密度(空气=1):4.35[6]
7.饱和蒸气压(kPa):2.00(76℃)[7]
8.临界压力(MPa):7.01[8]
9.辛醇/水分配系数:0.16[9]
10.闪点(℃):83(OC);83.3(CC)[10]
11.引燃温度(℃):188[11]
12..爆炸上限(%):23.3[12]
13.爆炸下限(%):3.6[13]
14.溶解性:微溶于水,溶于乙醇、乙醚、丙酮等。[14]
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- WS8225000
- CHEMICAL NAME :
- Sulfuric acid, dimethyl ester
- CAS REGISTRY NUMBER :
- 77-78-1
- BEILSTEIN REFERENCE NO. :
- 0635994
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 116
- MOLECULAR FORMULA :
- C2-H6-O4-S
- MOLECULAR WEIGHT :
- 126.14
- WISWESSER LINE NOTATION :
- 1OSWO1
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 :
- Rinsed with water
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 97 ppm/10M
- 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 205 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 - rat
- DOSE/DURATION :
- 45 mg/m3/4H
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis Blood - hemorrhage
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 100 mg/kg
- 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 140 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 :
- 280 mg/m3
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 45 mg/kg
- TOXIC EFFECTS :
- Behavioral - food intake (animal)
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 53 mg/kg
- TOXIC EFFECTS :
- Behavioral - muscle contraction or spasticity Skin and Appendages - dermatitis, other (after systemic exposure)
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Behavioral - muscle contraction or spasticity
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 32 ppm/1H
- 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 :
- 17 mg/m3/19W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Blood - lymphoma, including Hodgkin's disease
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 20 mg/kg female 15 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- DOSE :
- 100 mg/kg
- SEX/DURATION :
- female 15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- Specific locus test
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- DNA damage
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Micronucleus test
- TYPE OF TEST :
- DNA damage
- TYPE OF TEST :
- DNA inhibition
- TYPE OF TEST :
- DNA inhibition
- TYPE OF TEST :
- Cytogenetic analysis
MUTATION DATA
- TYPE OF TEST :
- Mutation in mammalian somatic cells
- TEST SYSTEM :
- Rodent - hamster Lung
- REFERENCE :
- CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 1,175,1980 *** REVIEWS *** ACGIH TLV-Animal carcinogen 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 ACGIH TLV-TWA 0.52 mg/m3 (0.1 ppm) (skin) 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 IARC Cancer Review:Animal Sufficient 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: 4,271,1974 IARC Cancer Review:Human 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: 4,271,1974 IARC Cancer Review:Group 2A IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,200,1987 TOXICOLOGY REVIEW 85CVA2 "Oncology 1970, Proceedings of the Tenth International Cancer Congress," Chicago, Year Book Medical Pub., 1971 Volume(issue)/page/year: 5,63,1970 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1 ppm (5 mg/m3) (skin) 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: 3,92,1971 OSHA PEL (Gen Indu):8H TWA 1 ppm (5 mg/m3) (skin) 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 1 ppm (5 mg/m3) (skin) 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 1 ppm (5 mg/m3) (skin) 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 1 ppm (5 mg/m3) (skin) 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-AUSTRALIA:TWA 0.1 ppm (0.5 mg/m3);Skin;Carcinogen JAN 1993 OEL-BELGIUM:TWA 0.1 ppm (0.52 mg/m3);Skin;Carcinogen JAN 1993 OEL-DENMARK:TWA 0.01 ppm (0.05 mg/m3);Skin JAN 1993 OEL-FINLAND:STEL 0.01 ppm (0.05 mg/m3);Skin;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.1 ppm (0.5 mg/m3);Carcinogen JAN 1993 OEL-GERMANY;Skin;Carcinogen JAN 1993 OEL-HUNGARY:STEL 0.1 mg/m3;Skin;Carcinogen JAN 1993 OEL-JAPAN:TWA 0.1 ppm (0.52 mg/m3);Skin;Carcinogen JAN 1993 OEL-THE NETHERLANDS:.TWA 1 ppm (0.5 mg/m3);Skin JAN 1993 OEL-RUSSIA:TWA 0.1 ppm;STEL 0.1 mg/m3;Skin JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 0.02 ppm (0.1 mg/m3);Skin;Carcinogen JAN 1993 OEL-TURKEY:TWA 0.1 ppm (0.5 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 ppm (0.5 mg/m3);STEL 0.1 ppm;Skin 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 DIMETHYL SULFATE-air:8H CA TWA 0.1 ppm (Sk)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 #92-100,1992NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26880 No. of Facilities: 83 (estimated) No. of Industries: 3 No. of Occupations: 5 No. of Employees: 1249 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26880 No. of Facilities: 185 (estimated) No. of Industries: 5 No. of Occupations: 23 No. of Employees: 10481 (estimated) No. of Female Employees: 2455 (estimated)
- 毒理学数据:
1、人吸入 LCLo: 97ppm/10M。大鼠经口 LD50: 205mg/kg; 吸入 LC50: 45mg/m3/4H。小鼠经口LC50: 140 mg/kg; 吸入LC50: 280 mg/m3。硫酸二甲酯属高毒类,作用与芥子气相似, 急性毒性类似光气,比氯气大15 倍。对眼、上呼吸道有强烈刺激作用,对皮肤有强腐蚀作用。可引起结膜充血、水肿、角膜上皮脱落,气管、支气管上皮细胞部分坏死, 穿破导致纵膈或皮下气肿。此外,还可损害肝、肾及心肌等,皮肤接触后可引起灼伤,水疱及深度坏死。作用机理尚不完全明了,多数学者认为是由于该物质的甲基性质,它在体内水解成甲醇和硫酸而引起毒作用,这已由动物实验和死亡病例的血液和内脏中检测甲醇证实。 Ghiringhelli 认为对眼和皮肤的局部作用, 部分是由于硫酸所致, 而全身和神经系统的影响以及肺水肿是由于硫酸二甲酯分子本身的毒性作用, 因它能使体内某些重要基团甲基化所致。硫酸二甲酯对皮肤的损害,除其腐蚀作用外,还可能引起接触性过敏性皮炎。近年来,国外动物实验报告,急性硫酸二甲酯中毒后可引起染色体畸变。用大鼠进行实验还证实有致癌作用。
2.急性毒性[15]
LD50:205mg/kg(大鼠经口)
LC50:45mg/m3(大鼠吸入,4h)
3.刺激性[16]
家兔经皮:10mg(24h),重度刺激(开放性刺激试验)。
家兔经眼:100mg(4s),重度刺激(用水冲洗)
4.亚急性与慢性毒性[17] 大鼠吸入0.5ppm,每周6h,2周,无影响;17mg/m3,18周,MLC(最小致死浓度)。动物染毒半年之后,可以看出对疼痛的感受性降低。
5.致突变性[18] DNA损伤:人淋巴细胞1mmol/L。姐妹染色单体交换:人成纤维细胞1μmol/L。DNA加合物:人HeLa细胞5μmol/L。程序外DNA合成:人淋巴细胞10μmol/L。
6.致癌性[19] IARC致癌性评论:G2A,可能人类致癌物。
- 生态数据:
1.生态毒性[20] LC50:7.5~15mg/L(96h)(鱼)
2.生物降解性[21]
好氧生物降解(h):168~672
厌氧生物降解(h):672~2688
3.非生物降解性[22]
空气中光氧化半衰期(h):36.5~365
MSDS
国标编号: | 61116 |
CAS: | 77-78-1 |
中文名称: | 硫酸(二)甲酯 |
英文名称: | methyl sulfate;dimethyl sulfate |
别 名: | 硫酸甲酯 |
分子式: | C2H6O4S;(CH3)2SO4 |
分子量: | 126.13 |
熔 点: | -31.8℃ 沸点:188℃/ |
密 度: | 相对密度(水=1)1.33; |
蒸汽压: | 83℃/开杯 |
溶解性: | 微溶于水,溶于醇 |
稳定性: | 稳定 |
外观与性状: | 无色或浅黄色透明液体,微带洋葱臭味 |
危险标记: | 13(剧毒品),20(腐蚀品) |
用 途: | 用于制造染料及作为胺类和醇类的甲基化剂 |
2.对环境的影响:
一、健康危害
侵入途径:吸入、食入、经皮吸收。
健康危害:本品对皮肤、粘膜有强烈的刺激作用。
急性中毒:短期内大量吸入,初始仅有眼和上呼吸道刺激症状。经数小时至24小时,刺激症状加重,可有畏光、流泪,结膜充血,眼睑水肿或痉挛、咳嗽、胸闷、气急,可发生喉头水肿或支气管粘膜脱落致窒息、肺水肿,成人呼吸窘迫症,并可并发皮下气肿、气胸、纵隔气肿。误服灼伤消化道,可致眼、皮肤灼伤。
慢性影响:长期接触低浓度,可刺激眼和上呼吸道。
二、毒理学资料及环境行为
毒性:属高毒类。
急性毒性:LD50205mg/kg(大鼠经口);LC50405mg/m3,4小时(大鼠吸入);兔吸入155mg/m3×8小时,3日内死亡;猫吸入402mg/m3×11分钟,10日后死亡。
亚急性和慢性中毒:大鼠吸入吸入0.5ppm,6小时/周,2周,无影响;17mg/m3,18周,MLC(最小致死浓度)。动物染毒半年之后,可以看出对疼痛的感受性降低。
致突变性:DNA损伤:人淋巴细胞1mmol/L。姐妹染色单体交换:成人纤维细胞1μmol/L。
致畸性:体外细胞遗传损伤,中国仓鼠细胞染色体畸变阳性。
致癌性:IARC致癌性评论:对人大概致癌。大鼠皮下最小中毒剂量50mg/kg,致肿瘤阳性。大鼠静脉最小中毒剂量20mg/kg(妊娠期15日)致癌阳性。
危险特性:遇热源、明火、氧化剂有燃烧爆炸的危险。若遇高热可民生剧烈分解,z引起容器破裂或爆炸事故。与氢氧化铵反应强烈。
燃烧(分解)产物:一氧化碳、二氧化碳、氧化硫。
3.现场应急监测方法:
气体检测管法
气体速测管(德国德尔格公司产品)
4.实验室监测方法:
气相色谱法《空气中有害物质的测定方法》(第二版),杭士平主编
1,2-萘醌-4-磺酸钠比色法《化工企业空气中有害物质测定方法》,化学工业出版社
5.环境标准:
前苏联 车间空气中有害物质的最高容许浓度 0.1mg/m3
6.应急处理处置方法:
一、泄漏应急处理
迅速撤离泄漏污染区人员至安全区,并立即隔离150米,严格限制出入。切断火源。建议应急处理人员戴自给正压式呼吸器,穿防毒服。不要直接接触泄漏物。尽可能切断泄漏源,防止进入下水道、排洪沟等限制性空间。小量泄漏:用砂土、蛭石或其他惰性材料吸收。大量泄漏:构筑围堤或挖坑收容;用泡沫覆盖,降低蒸气灾害。用泵转移至槽车或专用收集器中,回收或运至废物处理场所处置。
废弃物处置方法:用焚烧法。 废料经笱释中和后焚烧,焚烧炉排出的硫氧化物通过洗涤器除去。
二、防护措施
呼吸系统防护:可能接触其蒸气时,应该佩戴自吸过滤式防毒面具(半面罩)。紧急事态抢救或撤离时,佩戴氧气呼吸器。
眼睛防护:戴化学安全防护眼镜。
身体防护:穿胶布防毒衣。
手防护:戴橡胶手套。
其它:工作现场禁止吸烟、进食和饮水。工作毕,彻底清洗。工作服不准带至非工作场所。单独存放被毒物污染的衣服,洗后备用。
三、急救措施
皮肤接触:立即脱去被污染的衣着,用大量流动清水冲洗,至少15分钟。就医。
眼睛接触:立即提起眼睑,用大量流动清水或生理盐水彻底冲洗至少15分钟。就医。
吸入:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难,给输氧。如呼吸停止,立即进行人工呼吸。就医。
食入:误服者用水漱口,给饮牛奶或蛋清。就医。
灭火方法:消防人员须佩戴防毒面具、穿全身消防服。灭火剂:雾状水、二氧化碳、泡沫、砂土。
海关数据
中国海关编码:2920909090
- 概述:
- 2920909090 其他无机酸酯(不包括卤化氢的酯)(包括其盐及它们的卤化,磺化,硝化和亚硝化衍生物)。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%
分子结构与计算化学数据
分子结构数据
1、摩尔折射率:23.59
2、摩尔体积(cm3/mol):95.3
3、等张比容(90.2K):234.2
4、表面张力(dyne/cm):36.4
5、极化率(10-24cm3):9.35
计算化学数据
1.疏水参数计算参考值(XlogP):-0.3
2.氢键供体数量:0
3.氢键受体数量:4
4.可旋转化学键数量:2
5.互变异构体数量:无
6.拓扑分子极性表面积61
7.重原子数量:7
8.表面电荷:0
9.复杂度:107
10.同位素原子数量:0
11.确定原子立构中心数量:0
12.不确定原子立构中心数量:0
13.确定化学键立构中心数量:0
14.不确定化学键立构中心数量:0
15.共价键单元数量:1