Contact Details | Similar Products

Communicate with Supplier:

: Ms. summer: What can I do for you?

Na2O4S2 CAS: 7775-14-6 Sodium dithionite factory price CAS NO.7775-14-6

Min.Order Quantity:: 21 Metric Ton

Purity:: 95%

Port:: depend on clients require

Payment Terms:: L/C,D/A,D/P,T/T,

Add to Inquiry Cart

Product Details

Keywords

CAS: 7775-14-6 Sodium dithionite factory price
Na2O4S2 CAS: 7775-14-6 dithionous acid disodium salt;HYDROSULFITE;SODIUM HYPODISULFITE;SODIUM DITHIONITE;SODIUM HYDROSULFITE;SODIUM HYDROSULPHITE;blankit;burmol
Na2O4S2 CAS: 7775-14-6 factory price high pure 95%

Quick Details

ProName: Na2O4S2 CAS: 7775-14-6 Sodium dithioni...
CasNo: 7775-14-6
Molecular Formula: Na2O4S2
Appearance: white solid
Application: Application for sodium hydrosulfite : ...
DeliveryTime: 5 working days after cash deposit
PackAge: plastic woven bag
Port: depend on clients require
ProductionCapacity: 50 Metric Ton/Day
Purity: 95%
Storage: under the cool and dry area
Transportation: by sea or by express
LimitNum: 21 Metric Ton

Superiority

sodium dithionite basic information

product name:	sodium dithionite
synonyms:	dithionous acid disodium salt;hydrosulfite;sodium hypodisulfite;sodium dithionite;sodium hydrosulfite;sodium hydrosulphite;blankit;burmol
cas:	7775-14-6
mf:	na2o4s2
mw:	174.11
einecs:	231-890-0
product categories:	inorganic & organic chemicals;inorganics;inorganic chemical raw material;inorganic salt;sulphite
mol file:	7775-14-6.mol

sodium dithionite chemical properties

mp	300 °c
bp	1390°c
density	2.13
storage temp.	store at rt.
solubility	250 g/l (20°c)
water solubility	250 g/l (20 ºc)
sensitive	moisture sensitive
merck	14,8626
stability:	stable, but air sensitive. incompatible with strong acids, strong oxidizing agents, water, moisture.
cas database reference	7775-14-6(cas database reference)

safety information

hazard codes	xn
risk statements	7-22-31
safety statements	26-28-43-7/8-43e-28a
ridadr	un 1384 4.2/pg 2
wgk germany	1
f	1-10
hazardclass	4.2
packinggroup	ii
hazardous substances data	7775-14-6(hazardous substances data)

our services

1.certificate of analysis (coa)

2.material safety data sheet (msds)

3.route of synthesis (ros)

4.method of aanlysis (moa)

5.nuclear magnetic resonance (nmr)

6.packing pictures and loading video before loading

7.free sample

9.factory audit

10.strong after-sale service

Details

sodium hydrosulfite

types:

1) purity: 85%, 88%,90%
2) 25kg,50kg,100kg,200kg,100kg/drum

product description:

	90% grade	88% grade	85% grade	food additive grade
na2s2o4	≥90%	≥88%	≥85%	≥85%
water insolubles	≤0.05%	≤0.05%	≤0.05%
iron (fe)	≤20ppm	≤20ppm	≤20ppm	≤20ppm
appearance of aqueous solution				clear
zinc (zn)	≤1ppm	≤1ppm	≤1ppm	≤1ppm
arsenic(as)				≤1ppm
other heavy metals (as pb)	≤1ppm	≤1ppm	≤1ppm	≤1ppm
format(as hcho)				≤0.05%
shelf life(months)	12	12	12	12

application :

vat dyeing, printing and stripping , reduction cleaning,

leaching textile materials such as silk, wool, nylon and other fibres

bleaching mechanical pulps ,thermo-mechanical pulps, deinked pulps

bleaching kaolin

bleaching foodstuffs like sugar, honey , gelatin etc .

reducing agent for organic synthesis and pharmaceuticals

specific hazards

may spontaneously ignite in moist air or upon contact with small quantities of water.

react violently with oxidants resulting in combustion or explosion .

extinguish method :

using large quantities of water drown the product .

storage & handling:

being a strong reducing agent , sodium hydrosulfite can decompose easily while exposed to air and moisture no matter it is made by any kinds of production processes .

the product must be stored in sealed iron drums or bulk containers in a cool dry place away from moisture , acids, oxidizing chemicals and combustible organic substances .

protect the product away from direct sunlight , heat , sparks and open flames.

carefully handle the product and avoid damaging the package.

leakage:

collect the spilt product and place it in a dry and clean container where it can be recycled or dissolved in water. wash the area involved with water.