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Selenic acid

Selenic acid
Selenic acid
Chemical Name:
Selenic acid
SELENIC ACID;SELENIC ACID AR;SELENIC ACID 94%;Selenocystathionine;selenic acid solution;Selenic Acid aq. Soln.;Selenicacid,40%solution;Selenicacid,40%aq.soln.;Selenic acid solution, 40 wt. % in water;2-amino-4-(2-amino-3-hydroxy-3-oxopropyl)selanylbutanoic acid
Molecular Formula:
Formula Weight:
MOL File:

Selenic acid Properties

Melting point:
Boiling point:
1.407 g/mL at 25 °C
refractive index 
n20/D 1.5174(lit.)
Flash point:
>230 °F
Miscible with sulfuric acid. Immiscible with ammonia.
Water Solubility 
g/100g H2O: 426 (0°C), 567 (20°C), 1328 (30°C) [LAN05]; decomposed by alcohol [HAW93]
Stable, but decomposes on heating. Non-flammable. Incompatible with metals, combustible materials. Hygroscopic.
CAS DataBase Reference
7783-08-6(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,N
Risk Statements  23/24/25-34-50/53-33-23/25-41-38
Safety Statements  23-26-36/37/39-45-61-60-28-20/21-16
RIDADR  UN 3264 8/PG 1
WGK Germany  2
RTECS  VS6575000
HazardClass  8
PackingGroup  I
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P311 Call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P405 Store locked up.
P501 Dispose of contents/container to..…

Selenic acid price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 481513 Selenic acid solution 40 wt. % in H2O, 99.95% trace metals basis 7783-08-6 25ml $61.5 2018-11-13 Buy
Sigma-Aldrich 481513 Selenic acid solution 40 wt. % in H2O, 99.95% trace metals basis 7783-08-6 100ml $210 2018-11-13 Buy
Alfa Aesar 018851 Selenic acid, 40% aq. soln. 7783-08-6 100g $163 2018-11-16 Buy
Alfa Aesar 018851 Selenic acid, 40% aq. soln. 7783-08-6 500g $731 2018-11-16 Buy
Strem Chemicals 93-3420 Selenic acid, 40% solution 7783-08-6 250g $451 2018-11-13 Buy

Selenic acid Chemical Properties,Uses,Production

Chemical Properties

colourless or white crystals

General Description

A white crystalline solid. Very corrosive to skin, eyes and mucous membranes. Corrosive to metal. Toxic by skin absorption and by ingestion.

Air & Water Reactions

Very hygroscopic. Soluble in water.

Reactivity Profile

Selenic acid, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. The reactions can generate dangerously large amounts of heat in small spaces. A good oxidizing agent. May oxidize organic matter such as wood, cotton, fiberboard, etc.. Reacts with active metals, including iron and aluminum, and also less active metals, to dissolve the metal and liberate hydrogen and/or toxic gases. Can initiate polymerization in certain classes of organic compounds. Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Flammable and/or toxic gases are also often generated with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. Additional gas-generating reactions occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and even carbonates: the carbon dioxide gas from the last is nontoxic but the heat and spattering from the reaction can be troublesome. May often catalyze (increase the rate) of chemical reactions.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Safety Profile

Selenium compounds are poisons. A corrosive irritant to skin, eyes, and mucous membranes. When heated to decomposition it emits toxic fumes of Se. See also SELENIUM COMPOUNDS,

Selenic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Selenic acid Suppliers

Global( 62)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32764 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40399 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30308 84
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44192 61
Chengdu XiYa Chemical Technology Co., Ltd. 4008-626-111
028-84752058 China 9740 57
BOC Sciences United States 10563 65
Chengdu Ai Keda Chemical Technology Co., Ltd. 4008-755-333 ; 028-86676798 ; 028-86757656
028-86757656 China 9884 55
Cheng Du Micxy Chemical Co.,Ltd 028-85632863 028-64559668 18048500443
028-85632863 QQ: 2509670926 China 13211 58
9ding chemical ( Shanghai) Limited 4009209199
86-021-52271987 China 22672 55

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