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Formaldehyde

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

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 CodesT
Risk Statements23/24/25-34-40-43-39/23/24/25-68-45-68/20/21/22
Safety Statements36/37-51-45-36/37/39-26-53
RIDADRUN 1198 3/PG 3
OEBE
OELTWA: 0.016 ppm, Ceiling: 0.1 ppm [15-minute]
WGK Germany2
RTECSLP8925000
F10
Autoignition Temperature424 °C for formalin containing 15% methanol
TSCAYes
HazardClass3
PackingGroupIII
HS Code29121100
Hazardous Substances Data50-00-0(Hazardous Substances Data)
ToxicityLD50 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)
IDLA20 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.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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