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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 Details

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: 0.01 λ: 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/kg LD50 skin (rabbit) 270 mg/kg LC50 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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