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2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder CAS NO.7681-57-4

Min.Order Quantity:: 25 Metric Ton

Purity:: 95%

Port:: depend on clients require

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

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Product Details

Keywords

CAS：7681-57-4 Sodium metabisulfite Food grade powder
2Na.O5S2 CAS:7681-57-4 disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;sodiummetabisulfite(na2-s2o5);sodiumpyrosulfite(na2s2o5);Sodium dissulfite
2Na.O5S2 CAS:7681-57-4 factory price high pure 95%

Quick Details

ProName: 2Na.O5S2 CAS:7681-57-4 Sodium metabisu...
CasNo: 7681-57-4
Molecular Formula: 2Na.O5S2
Appearance: white solid
Application: Application of sodium metabisulphite: ...
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: 25 Metric Ton
Grade: Industrial Grade,Food Grade

Superiority

sodium metabisulfite basic information

product name:	sodium metabisulfite
synonyms:	disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;sodiummetabisufite;sodiummetabisulfite(na2-s2o5);sodiumpyrosulfite(na2s2o5);sodium dissulfite
cas:	7681-57-4
mf:	2na.o5s2
mw:	190.11
einecs:	231-673-0
product categories:	inorganic & organic chemicals;inorganics;inhibitor and freshen agent
mol file:	7681-57-4.mol

sodium metabisulfite chemical properties

mp	150 °c
density	1.48
storage temp.	store at rt.
solubility	540 g/l (20°c)
water solubility	540 g/l (20 ºc)
merck	14,8638
stability:	stable. incompatible with strong oxidizing agents, strong acids. contact with strong acids releases a poisonous gas. may be moisture and air sensitive.
cas database reference	7681-57-4(cas database reference)
epa substance registry system	disulfurous acid, disodium salt(7681-57-4)

safety information

hazard codes	xn,xi
risk statements	22-31-41-36/37/38-52
safety statements	26-39-46-36
ridadr	3260
wgk germany	1
rtecs	ux8225000
packinggroup	iii
hazardous substances data	7681-57-4(hazardous substances data)

Details

7681-57-4

chemical formular: na2s2o5

cas no: 7681-57-4

hs code: 2832.10.00

quality indicators of sodium metabisulphite:

sodium metabisulfite
items	industrial grade hg/t2826-2008		food grade gb1893-2008
	top grade	first grade
na2s2o5	96.5%min.	95.0%min.	96.5%min.
fe	0.005%max.	0.010%max.	0.003%max.
clarity	-	-	pass the test
heavy metal(by pb)	-	-	0.0005%max.
arsenic (as)	0.0001%max.	-	0.0001%max.
water insolubles	0.05%max.	0.05%max.	-

application of sodium metabisulphite:

food grade:
bleaching agent (e.g.candies, cake, bamboo shoots, etc);
loosening agent (e.g.bread, cracker etc);
antiseptic and germicide (e.g.fruit juice, tinned food brews, the cereals food is defended storage etc);
inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc);

industrial grade:

mordant of printing and dyeing;
dechlorinate of textile after bleaching;
sulphonated agent and reducer of chemical industry and pharmacy;
bleach of paper pulp, bamboo and timber bleach of stapk; treatment agent of waste water;
rubber solidifying agent;
perfume industry is served as hydrocarbon perfume aldehyde;
the hide profession employ to do to molt dose and pliable dose and wearproof dose;
the sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.

storage:

store the product in a cool and dry place, prevent from direct sunlight ,water and moisture, avoid contact with strong acid,oxidants or poisonous substances. exposure to moisture will make it oxidze easily to sodium sulphate. do not store it for long time.

service we can provide:

1. quick and positive reply after receiving your inquiry;

2. free sample before shipment;

3. quality control before and during shipment;

4. packing according to clients’ requirement;

5. mixed container, we can mix different items in one container.

6. loading photos as required;

7. prompt shipment with right shipping line;

8. sgs or bv certification as required;

9.experienced in making d/p and l/c docs.