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Paraformaldehyde

Paraformaldehyde structure

CAS No:
30525-89-4
Chemical Name:
Paraformaldehyde
Synonyms:
Paraformaldehyde;Flo-Mor;Paraform;Aldacide;TransFix;Granuform;PFA;Granuform 96;WANPFA 92;Granuform M;Granuform 91;53026-80-5;104512-58-5;104512-63-2;104814-22-4;1417997-02-4
Categories:
Catalyst and Auxiliary > Plastic Rubber Chemicals

Description

Paraformaldehyde is a white crystalline solid.Irritating odor. The term “trioxane” applies specifically tothis trimer (CH2O)3 but paraformaldehyde is applied bothto trioxane and other low polymers or oligomers of formaldehyde.

Paraformaldehyde Basic Attributes

Molecular Weight：

62.068

Exact Mass：

62.036777

EC Number：

200-001-8

HScode：

2912600000

Characteristics

PSA：

17.07000

XLogP3：

-0.88

Appearance：

Solids containing varying amounts of formaldehyde, probably as paraformaldehyde (polymers of formula HO(CH2O)xH where x averages about 30). A hazard to the environment. Immediate steps should be taken to limit spread to the environment.

Density：

1.46 g/cm³

Melting Point：

164 °C (decomp)

Boiling Point：

135-136 °C @ Press: 13 Torr

Flash Point：

39.9±6.3 °C

Refractive Index：

1.364

Water Solubility：

sparingly soluble

Storage Conditions：

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects. /Formaldehyde solution, 36.5-38%/

Vapor Pressure：

<1.45 mm Hg ( 25 °C)

Vapor Density：

1.04

Toxicity：

LD50 orally in Rabbit: 592 mg/kg

Flammability characteristics：

Flammable Gas

Explosive limit：

Explosive limits , vol% in air: 7.0-73.0

Odor：

Pungent, suffocating odor

PH：

pH: 2.8 to 4.0 /Formaldehyde soln/

PKA：

13.3(at 25 °C)

Safety Information

Packing level：

III

Hazard category：

4.1

Transport codes：

UN 2213

wgk germany：

hazard class code：

R20/22;R36/37/38;R40;R43

safety instructions：

S24-S26-S36/37/39-S45

RTECS Number：

RV0540000

Marks：

Xn:Harmful

Storage features：

Cool. Dry. Keep in a well-ventilated room. Separated from strong oxidants, strong bases and strong acids.

Stability/Shelf Life：

Stable. Incompatible with strong acids, organic acids, strong oxidizing agents, oxides, alkalies, strong bases, amines. Combustible. Dust may form an explosive mixture with air. Liberates poisonous gases on combustion.

Precautionary statement(s)：

P210-P261-P280-P305 + P351 + P338

Hazard Statements：

H228-H302 + H332-H315-H317-H318-H335-H351

Paraformaldehyde Use and Manufacturing

For disinfecting sickrooms, clothing, linen, and sickroom utensils. Active ingredient of contraceptive creams. Also used as fumigant; in dentistry; in manufacture of synthetic resins and artificial horn or ivory. Paraformaldehyde is used as a agricultural chemical, fungicide,bactericide, and wood preservative.

Material

Formaldehyde

Downstream Products

Dimethoxymethane

Tris(hydroxymethyl)aminomethane

Price Analysis

Make your Paraformaldehyde purchase based on the price and market insights! ECHEMI provides professional market insights with prices for you to make a better choice. Learn more on Paraformaldehyde prices .

Data: 2026-01-02
Price: 5000.00Yuan/ton
Change: 0

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Paraformaldehyde 30525-89-4 (CH2O)x

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CAS No.: 30525-89-4

Grade: inorganic chemistry

Content: 98%

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Guide of Paraformaldehyde

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Material
Downstream Products
Price Analysis
Recommended Suppliers
Learn More Other Chemicals

Paraformaldehyde

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