Sodium formaldehyde sulfoxylate, carved white block

1. Nature:

Chemical name: sodium formaldehyde sulfoxylate

Common name: Carving white powder

Molecular formula: NaHSO2.CH2O.2H2O

Molecular weight: 154.12

Specific gravity: 1.8

Melting point: 64°C

Heat of fusion: 54.84 KJ/ MOL (13.2 KCAL/ MOL)

Moisture absorption point: relative humidity 60%

Stable pour point: 50°C Max

Solubility:

45%(20°C): 1.2 doses of water are needed to dissolve 1 dose of Glyph at 20°C.

50% (70°C): It takes 1 dose of water to dissolve 1 dose of Gongalite at 70°C.

Physical properties:

Rong Li Te was shortlisted because of its fabric with color repelling function and its appearance. under different cooling conditions. It solidifies into white lumps, powder or granules.

2. Standard: Conform to HG 2281-1992 standard

Specification:

name index

Content ≥ % 98.0

Clear or slightly turbid aqueous solution in dissolved state

Sulfides are not allowed to have black

Odor Odorless or a little leek smell

3. Purpose:

It is mainly used as dye discharge agent, fading agent and reducing agent in printing and dyeing industry. As an activator in the production of styrene-butadiene rubber and synthetic resins. It is also used for decolorization and bleaching of certain organic matter, for example: as a bleaching agent in synthetic rubber, sugar, and food industries. In some special cases, sodium dithionite can be replaced.

4. Packaging:

An iron drum lined with a plastic bag and sealed with an airtight lid. Net weight: 50KG each.

5. Note:

It should be stored in a dry, cool and dark place. Protect from moisture and out of direct sunlight. Don't let it get caught in the rain. Do not store together with oxidants and acids. When there is no acid vapor, the storage period is one year.