CHEMISKY CO.,LTD.

Sodium Metabisulphite

SYNONYMS:

Sodium Metabisulfite, Sodium Pyrosulphite,Disodium Pyrosulfite,SMBS.

FORMULA:

Na2S2O5

MOLECULAR WEIGHT:

190.11

PROPERTIES:

white or light yellow crystalline powder

EINECS NO:

CAS NO.:

7681-57-4

H.S.CODE:

28321000

SPECIFICATIONS:

Components:

Guaranteed Analysis

Typical Analysis:

Sodium Metabisulphite,main content (As Na2S2O5):

95% min.

97.1%

Content(as SO2):

Iron(Fe) :

0.005% max

Water insoluble matter:

0.05% max

0.041%

Arsenic(As) :

0.0002% max

<0.0002

Heavy metal(as Pb):

0.002% max

<0.002

PH:

4-6

4.5

PACKAGING:

Net 25/1000kg per pp bags with inner liner.

QUANTITY PER CONTAINER:

25.5-27 MTS/20’FCL

HANDLING & STORAGE:

Store in dry place with packages sealed and away from moisture. Protect the material from rain and insolation during transportation.

RECOMMENDED
USES/APPLICATIONS:

Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleaching agent of paper pulp, bamboo and timber bleaching agent of stapk; Mineral-dressing of non-ferrous metals; Treating agent of waste water; Rubber solidifying agent.