Formaldehyde CAS#50-00-0

Formaldehyde CAS#50-00-0

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Chemical Name:Formaldehyde
CAS No.:50-00-0
Molecular Formula:CH2O
Molecular weight:30.03
Sample: Available
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Product Description

Products Description of Formaldehyde CAS#50-00-0

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.

Formaldehyde Chemical Properties

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

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 Application of Formaldehyde CAS#50-00-0

It is a strong reducing agent with bactericidal effect. It can be used as a disinfectant for humans and as an antiseptic and fumigant for animals. It is used as an organic chemical raw material for medicine, synthetic fibers, synthetic resins, plastic preservatives, reducing agents, etc. It is mainly used to prepare phenolic resins, urea-formaldehyde, melamine and polyoxymethylene resins. It is also used to prepare MDI, pentaerythritol, hexamethylenetetramine and butanediol. It is used for chromatography analysis, bactericidal disinfectants, and is also used in the preparation of phenolic resins and the immersion of biological specimens. It is a strong reducing agent with bactericidal effect. It can be used as a disinfectant for humans and as an antiseptic and fumigant for animals.

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