水
水用途
1.地表水：质量标准中Ⅰ类主要适用于源头水、国家自然保护区；Ⅱ类主要适用于集中式生活饮用水地表水源地一级保护区、珍稀水生生物栖息地、鱼虾类产卵场、仔稚幼鱼的索饵场等；Ⅲ类主要适用于集中式生活饮用水地表水源地二级保护区、鱼虾类越冬场、洄游通道、水产养殖区等渔业水域及游泳区；Ⅳ类主要适用于一般工业用水区及人体非直接接触的娱乐用水区；Ⅴ类主要适用于农业用水区及一般景观要求水域。
2.地下水：质量标准中Ⅰ类主要反映地下水化学组分的天然低背景含量。适用于各种用途。Ⅱ类主要反映地下水化学组分的天然背景含量。适用于各种用途。Ⅲ类以人体健康基准值为依据。主要适用于集中式生活饮用水水源及工、农业用水。Ⅳ类以农业和工业用水要求为依据。除适用于农业和部分工业用水外，适当处理后可作生活饮用水。Ⅴ类不宜饮用，其他用水可根据使用目的选用。
3.海水：质量标准中第一类适用于海洋渔业水域，海上自然保护区和珍稀濒危海洋生物保护区。第二类适用于水产养殖区，海水浴场，人体直接接触海水的海上运动或娱乐区，以及与人类食用直接有关的工业用水区。第三类适用于一般工业用水区，滨海风景旅游区。第四类适用于海洋港口水域，海洋开发作业区。
4.生活饮用水：供人生活的饮用和生活用水
5.电子超纯水：用于电子元件及集成电路
水名称
[ CAS 号 ]:
7732-18-5
[ 中文名 ]:
水
[ 英文名 ]:
Water
[中文别名 ]:
[英文别名 ]:
- Water,purified
- Dihydrogen oxide
- H2O
- DHMO
- Diprotium oxide
- MFCD00003548
- Distilled water
- EINECS 231-791-2
- Water vapor
- Dihydrogen Monoxide
水物理化学性质
[ 密度 ]:
1.0±0.1 g/cm3
[ 沸点 ]:
100.0±9.0 °C at 760 mmHg
[ 熔点 ]:
0 ºC
[ 分子式 ]:
H2O
[ 分子量 ]:
18.015
[ 闪点 ]:
100°C
[ 精确质量 ]:
18.010565
[ PSA ]:
9.23000
[ LogP ]:
-1.38
[ 外观性状 ]:
无色液体
[ 蒸汽密度 ]:
<1 (vs air)
[ 蒸汽压 ]:
24.5±0.3 mmHg at 25°C
[ 折射率 ]:
1.329
[ 储存条件 ]:
11
[ 稳定性 ]:
Stable. Incompatible with reactive metals.
[ 水溶解性 ]:
H2O: 1 M at 20 °C, clear, colorless
水MSDS
水毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ZC0110000
- CHEMICAL NAME :
- Water
- CAS REGISTRY NUMBER :
- 7732-18-5
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 20
- MOLECULAR FORMULA :
- H2-O
- MOLECULAR WEIGHT :
- 18.02
- WISWESSER LINE NOTATION :
- QH
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - infant
- DOSE/DURATION :
- 333 gm/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Gastrointestinal - hypermotility, diarrhea Nutritional and Gross Metabolic - body temperature increase
- REFERENCE :
- ADCHAK Archives of Disease in Childhood. (British Medical Journal, POB 560B, Kennebunkport, ME 04046) V.1- 1926- Volume(issue)/page/year: 54,551,1979
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 42.86 gm/kg
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - muscle contraction or spasticity
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Rectal
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 180 gm/kg/28H
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - convulsions or effect on seizure threshold Gastrointestinal - nausea or vomiting
- REFERENCE :
- JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year: 104,1569,1935
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >90 mL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FOREAE Food Research. (Champaign, IL) V.1-25, 1936-60. For publisher information, see JFDSAZ. Volume(issue)/page/year: 21,348,1956
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 190 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD628-313
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 25 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MIVRA6 Microvascular Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1968- Volume(issue)/page/year: 8,320,1974
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 629 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 320 gm/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 368 gm/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 13 gm/kg
- TOXIC EFFECTS :
- Blood - other hemolysis with or without anemia
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Rectal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 450 gm/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - muscle contraction or spasticity Gastrointestinal - changes in structure or function of salivary glands
- REFERENCE :
- JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year: 104,1569,1935
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 429 gm/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3502 gm/kg/2W-I
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Behavioral - muscle weakness Related to Chronic Data - death
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1000 No. of Facilities: 436805 (estimated) No. of Industries: 561 No. of Occupations: 294 No. of Employees: 7313166 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1000 No. of Facilities: 313467 (estimated) No. of Industries: 500 No. of Occupations: 324 No. of Employees: 8785413 (estimated) No. of Female Employees: 3032116 (estimated)
水安全信息
[ 个人防护装备 ]:
Eyeshields;Gloves
[ 危害码 (欧洲) ]:
Xn:Harmful
[ 风险声明 (欧洲) ]:
R36/38
[ 安全声明 (欧洲) ]:
S26
[ 危险品运输编码 ]:
UN 1824 8/PG 2
[ WGK德国 ]:
1
[ RTECS号 ]:
WB4900000
[ 海关编码 ]:
3303000000
水上下游产品
水上游产品
水下游产品
水制备
制备纯水的方法主要有蒸馏法和离子交换法。
将自来水直接蒸馏可获得一般实验所需的蒸馏水。对于重要的物理化学和分析化学实验，通常采用二次或三次蒸馏水，这种蒸馏最好在石英装置中进行，所得的纯水应收集在耐高温玻璃、石英或聚乙烯瓶中。
为了除去水中的有机杂质和NH+4与Cl-，最好在每升被提纯的水中加入0.05g KMnO4，半小时后加入0.5～1g钾明矾，再过半小时后加入0.66g Na2HPO4，静置半小时后过滤，滤液煮沸10min后再加入蒸馏瓶中进行蒸馏，除去馏出物开头和最后的馏份（各10%）。
离子交换法是制备高纯度水的更好方法。离子交换树脂分为阳离子交换树脂和阴离子交换树脂，两种树脂在装柱前分别进行预处理。阳离子交换树脂先用自来水反复漂洗除去其中的色素、水溶性杂质及其他夹杂物，直至水清无泡沫，并用纯水浸泡4h。然后用5%的盐酸溶液浸泡树脂（以没过树脂为宜）4h，适当搅拌，将盐酸排尽后以纯水反复洗至近中性为止。阴离子交换树脂同样用水反复漂洗直至水清无泡沫，并用纯水浸泡4h。再用5%氢氧化钠溶液浸泡4h，适当搅拌，然后将氢氧化钠溶液排尽，以纯水反复洗至近中性为止。处理好的树脂装入准备好的有机玻璃交换柱中，交换流程按阳离子交换柱阴离子交换柱混合树脂交换柱（阳、阴离子交换树脂充分混匀）的顺序设定。控制一定流速向交换柱中通入蒸馏水（或自来水），从混合树脂交换柱中流出纯水，当水质达到要求后即可使用。水海关
[ 海关编码 ]: 3303000000
水文献
Epigenetics 9(12) , 1596-603, (2015)
The JmjC-domain-containing 2-oxoglutarate-dependent oxygenases catalyze protein hydroxylation and N(ϵ)-methyllysine demethylation via hydroxylation. A subgroup of this family, the JmjC lysine demethyl...
Classification of a Proteus penneri clinical isolate with a unique O-antigen structure to a new Proteus serogroup, O80.Carbohydr. Res. 407 , 131-6, (2015)
Proteus penneri is an opportunistic pathogen, which may cause severe diseases, most frequently urinary tract infections in immunocompromised patients. P. penneri Br 114 exhibiting a good swarming grow...
Antiviral effect of methylated flavonol isorhamnetin against influenza.PLoS ONE 10(3) , e0121610, (2015)
Influenza is an infectious respiratory disease with frequent seasonal epidemics that causes a high rate of mortality and morbidity in humans, poultry, and animals. Influenza is a serious economic conc...
推荐生产厂家/供应商：
公司名：南通润丰石油化工有限公司
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价格：
￥需询单/1kg
￥需询单/1ton
联系人：曹经理
产品详情：蒸馏水
公司名：上海吉至生化科技有限公司
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价格：
￥378.0/25l
联系人：刘佳
产品详情：去离子水, 去离子的
公司名：上海创赛科技有限公司
区域：上海市嘉定区
价格：
￥255.0/500ml
￥415.0/1l
￥需询单/1ml
￥505.0/500ml
联系人：夏言
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价格：
￥205.9/500ml
￥290.9/25l
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产品详情：分子生物学级水
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￥41.0/25kg
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产品详情：导热油
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相关化合物
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标题：水_MSDS_用途_密度_水CAS号【7732-18-5】_化源网 地址：https://m.chemsrc.com/mip/cas/7732-18-5_895090.html