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Formaldehyde

  • Formaldehyde
  • Formaldehyde
  • Formaldehyde

Formaldehyde

CAS No.:50-00-0
Molecular Formula：CH2O
Molecular weight:30.03
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Product Description

Formaldehyde is the simplest aldehyde molecule with active chemical properties and certain toxicity. At room temperature, it is a colorless gas with a pungent odor, which easily undergoes polymerization to form polyformaldehyde. Formaldehyde is easily soluble in water, alcohol and other organic solvents. The main sources of formaldehyde in the environment are fuel combustion, industrial applications, decoration materials and various consumer products.


Chemical Properties

PropertyValue

Melting point

-15°C

Boiling point

97°C(37% solution),-19.5°C(pure)

Density

1.09 g/mL at 25 °C(lit.)

Vapor density

1.03 (vs air)

Vapor pressure

52 mm Hg ( 37 °C)

Refractive index

n20/D 1.377

Fp

133 °F

Storage temp.

Room temp

Solubility

Water: soluble

Form

Solution

Pka

13.27(at 25℃)

Color

APHA: ≤10

Odor

Pungent odor detectable at 1 ppm

PH

pH (25℃) : 7.0～7.5

Odor Threshold

0.5ppm

Water Solubility

Soluble

λmax

λ: 260 nm Amax: 0.01λ: 280 nm Amax: 0.01

Merck

14,4235

BRN

1209228

Henry's Law Constant

2.08(x 10-7 atm?m3/mol) at 25 °C (flow-type generation system, spectrophometry, Kanda et al., 2005)

Dielectric constant

23.0（Ambient）

Exposure limits

NIOSH REL: TWA 0.016 ppm, 15-min C 0.1 ppm, IDLH 20 ppm; OSHA PEL: TWA 0.75 ppm, STEL 2 ppm.

InChIKey

WSFSSNUMVMOOMR-UHFFFAOYSA-N

LogP

0.350

CAS DataBase Reference

50-00-0(CAS DataBase Reference)

IARC

1 (Vol. Sup 7, 62, 88, 100F) 2012

NIST Chemistry Reference

Formaldehyde(50-00-0)

EPA Substance Registry System

Formaldehyde (50-00-0)


Safety Information

PropertyValue

Hazard Codes

T

Risk Statements

23/24/25-34-40-43-39/23/24/25-68-45-68/20/21/22

Safety Statements

36/37-51-45-36/37/39-26-53

RIDADR

UN 1198 3/PG 3

OEB

E

OEL

TWA: 0.016 ppm, Ceiling: 0.1 ppm [15-minute]

WGK Germany

2

RTECS

LP8925000

F

10

Autoignition Temperature

424 °C for formalin containing 15% methanol

TSCA

Yes

HazardClass

3

PackingGroup

III

HS Code

29121100

Hazardous Substances Data

50-00-0(Hazardous Substances Data)

Toxicity

LD50 oral (rat) 500 mg/kgLD50 skin (rabbit) 270 mg/kgLC50 inhal (rat) 203 mg/m3 (2 h)PEL (OSHA) 1 ppm (1.5 mg/m3)TLV-TWA (ACGIH) 0.3 ppm (ceiling)(0.37 mg/m3)STEL (OSHA) 2 ppm (2.5 mg/m3)

IDLA

20 ppm


Product Usage

Formaldehyde is a highly reactive aldehyde that serves as a cornerstone of modern industrial chemistry. Its most significant application is in the production of synthetic resins, such as urea-formaldehyde, phenol-formaldehyde, and melamine resins, which are essential adhesives for plywood, particleboard, and other wood products. In the manufacturing sector, it is used to produce polyoxymethylene (POM) plastics, valued for their high strength and thermal stability. Additionally, formaldehyde acts as a vital chemical intermediate for synthesizing polyols like pentaerythritol and serves as a powerful disinfectant and preservative in medical laboratories and consumer goods.

Factory Showcase

详情-工厂

Shipping and Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


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A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


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