Name: Sodium formaldehyde bisulfite
SKU: 870-72-4

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Basic Information

Molecular Structure:
CAS No.:	870-72-4
Name:	Sodium formaldehyde bisulfite

Formula:	CH₃NaO₄S
Molecular Weight:	134.088
Synonyms:	Methanesulfonicacid, hydroxy-, monosodium salt (8CI,9CI);Methanesulfonic acid, hydroxy-,sodium salt (6CI);Hydroxymethanesulfonic acid sodium salt;Monosodiumhydroxymethanesulfonate;Sodium formaldehyde bisulfite;Sodiumhydroxymethanesulfonate;Sodium hydroxymethylsulfonate;
EINECS:	212-800-9
Melting Point:	200 °C (dec.)(lit.)
Boiling Point:	184 °C
Flash Point:	184 °C
Solubility:	800 g/L (20 °C) in water
Appearance:	white to almost white powder
Risk Codes:	36/37/38
Safety:	24/25
PSA:	85.81000
LogP:	-0.43780

Synthetic route

: 50-00-0
formaldehyd

: 870-72-4
sodium formaldehyde bisulfite

Conditions

Conditions	Yield
With sodium sulfite In water at 45℃; for 0.333333h;
With sodium hydrogensulfite In water for 0.5h;
With sodium hydrogensulfite In aq. buffer pH=3.5 - 5.5;

: Dimethylamino-methanesulfonic acid anion

A: 870-72-4
sodium formaldehyde bisulfite

B: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
With water at 20.8℃; Equilibrium constant;

: 56638-52-9
p-methylanilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 106-49-0
p-toluidine

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 56638-59-6
p-chloroanilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 106-47-8
4-chloro-aniline

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 91598-30-0
p-methoxyanilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 104-94-9
4-methoxy-aniline

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 56638-53-0
anilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 62-53-3
aniline

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 56638-54-1
m-methylanilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 108-44-1
1-amino-3-methylbenzene

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 56638-60-9
m-chloroanilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 108-42-9
3-chloro-aniline

Conditions

Conditions	Yield
With water Equilibrium constant; Rate constant; Thermodynamic data; Ambient temperature; also formation constants;

: 26021-90-9
sodium anilinomethanesulfonate

A: 870-72-4
sodium formaldehyde bisulfite

B: 62-53-3
aniline

Conditions

Conditions	Yield
With water at 25℃; Kinetics; Equilibrium constant; Hydrolysis;

: 870-72-4
sodium formaldehyde bisulfite

: 78668-34-5
3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(14),11(15),12-triene

: 3,9-bis(sodium methylenesulfonato)-3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(15),11,13-triene

Conditions

Conditions	Yield
Stage #1: 3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(14),11(15),12-triene With hydrogenchloride In water pH=5; Stage #2: sodium formaldehyde bisulfite With potassium hydroxide In water pH=8.5;	100%

Raw Materials

26021-90-9

50-00-0

Downstream Products

926-64-7

103-06-0

122-89-4

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Chemistry

Molecular Formula: CH₃NaO₄S

Formula Weight: 134.09
mp of SODIUM FORMALDEHYDE BISULFITE (870-72-4): 200 ^°C (dec.)(lit.)
Fp of SODIUM FORMALDEHYDE BISULFITE (870-72-4): 184 ^°C
Solubility: Easily soluble in methanol. Soluble in cold water.
Water Solubility : 800 g/L (20 ^°C )
Sensitive : Hygroscopic
Appearance: SODIUM FORMALDEHYDE BISULFITE (870-72-4) is a White solid

Uses

SODIUM FORMALDEHYDE BISULFITE (870-72-4) is used for the production of the medicine cancer enemy-M, neosalvarsan and methaniazide.

Production

Put distilled water and formaldehyde solution into the reaction vessel and cool it to 15^° C. After mixing, batch adding sodium bisulfite at the temperature 60-65 ^° C and reacting for 20min. Control it approximately at pH 9 by using sodium hydroxide solution. Then adding HCl to make pH up to 3. Use active carbon in order to decolor, filtering and after cooling filtrate, add ethanol to separate out solid, then place it to the next day. Again filtering and washing by ethanol, after drying we can obtain SODIUM FORMALDEHYDE BISULFITE (870-72-4).

Toxicity Data With Reference

1.		orl-rat LDLo:3200 mg/kg		KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650).
2.		ipr-rat LDLo:3200 mg/kg		KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650).

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Safety: WARNING: Irritates lungs, eyes, skin
Risk Statements : 36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements : 24/25: Avoid contact with skin and eyes
WGK Germany : 1
RTECS : PB2200000
Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of SO_x and Na₂O. See also FORMALDEHYDE and SULFITES.

Specification

Storage: Keep container in a cool, well-ventilated area. Keep container tightly closed.

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Chemistry

Uses

Production

Toxicity Data With Reference

Consensus Reports

Safety Profile

Specification