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Sodium dichromate dihydrate ( 二水合**** )

产品名称: Sodium dichromate dihydrate ( 二水合**** )
产品型号: 1063360250,1063361000
产品展商: MERCK
产品文档: 无相关文档

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Sodium dichromate dihydrate ( 二水合**** )为创赛集团品质提供Merck系列产品，可查询Sodium dichromate dihydrate ( 二水合**** ) 价格，同系列Sodium dichromate dihydrate ( 二水合**** )国内现货，可提供定合成服务。提供型号，性能指标等技术资料。提供Sodium dichromate dihyd


Sodium dichromate dihydrate ( 二水合**** )  的详细介绍
产品名称：Sodium dichromate dihydrate ( 二水合**** )
产品货号：1063360250,1063361000
产品包装：Plastic bottle
产品规格： 250 g/1 kg


产品信息
Grade ACS
Synonyms Sodium bichromate, Sodium pyrochromate
Hill Formula Cr2Na2O7*2H2O
Chemical formula Na2Cr2O7 * 2 H2O
HS Code 2841 30 00
EC number 234-190-3
Molar mass 298.00 g/mol
EC index number 024-004-00-7
CAS number 7789-12-0
化学及物理数据
Solubility 731.8 g/l (20 °C)
Melting point 356.7 °C (anhydrous substance)
Molar mass 298.00 g/mol
Density 2.35 g/cm3 (20 °C)
Bulk density 1200 kg/m3
pH value 4.0 (1 g/l, H2O, 20 °C)
Boiling point 400 °C (decomposition)
GHS**信息
Hazard Statement(s) H272: May intensify fire; oxidiser.
H301: Toxic if swallowed.
H312: Harmful in contact with skin.
H314: Causes severe skin burns and eye damage.
H317: May cause an allergic skin reaction.
H330: Fatal if inhaled.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H340: May cause genetic defects.
H350: May cause cancer.
H360FD: May damage fertility. May damage the unborn child.
H372: Causes damage to organs through prolonged or repeated exposure.
H410: Very toxic to aquatic life with long lasting effects.

Precautionary Statement(s) P201: Obtain special instructions before use.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Signal Word Danger
Hazard Pictogram(s)




RTECS HX7750000
Storage class 5.1 B Oxidizing agents (TRG 515 Group 2+3)
WGK WGK 3 highly water endangering
Disposal 22
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
**标示
R Phrase R 45-46-60-61- 8-21-25-26-34-42/43-48/23-50/53
May cause cancer.May cause heritable genetic damage.May impair fertility.May cause harm to the unborn child.Contact with combustible material may cause fire.Also harmful in contact with skin.Also toxic if swallowed.Also very toxic by inhalation.Causes burns.May cause sensitization by inhalation and skin contact.Also toxic: danger of serious damage to health by prolonged exposure through inhalation.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 53-45-60-61
Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger carcinogenic, mutagenic, toxic for reproduction, oxidizing, very toxic, corrosive, sensitizing, dangerous for the environment
Hazard Symbol Oxidising
Very toxic
Dangerous for the environment
交通信息
Declaration (railroad and road) ADR, RID UN 3086 Giftiger fester Stoff, entzündend (oxidierend) wirkend, n.a.g.(NATRIUMDICHROMAT), 6.1 (5.1), II
Declaration (transport by sea) IMDG-Code UN 3086 TOXIC SOLID, OXIDIZING, N.O.S.(SODIUM DICHROMATE), 6.1 (5.1), II
Declaration (transport by air) IATA-DGR UN 3086 TOXIC SOLID, OXIDIZING, N.O.S.(SODIUM DICHROMATE), 6.1 (5.1), II
毒物学数据
LD 50 oral LD50 rat 50 mg/kg
LD 50 dermal LD50 rabbit 1000 mg/kg
分类
Assay (iodometric) 99.5 - 100.5 %
Identity passes test
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.002 %
Sulphate (SO4) ≤ 0.01 %
Al (Aluminium) ≤ 0.002 %
Ca (Calcium) ≤ 0.002 %
Cu (Copper) ≤ 0.001 %
Fe (Iron) ≤ 0.002 %
K (Potassium) ≤ 0.01 %
Mg (Magnesium) ≤ 0.005 %
Pb (Lead) ≤ 0.002 %

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