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47083-U Supelco

Formaldehyde solution

stabilized with methanol, ~37 wt. % in H2O, certified reference material

Synonym: Formalin

  • CAS Number 50-00-0

  • Linear Formula HCHO

  • Molecular Weight 30.03

  •  Beilstein/REAXYS Number 1209228

  •  MDL number MFCD00003274

  •  PubChem Substance ID 329757289

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Chinese Food Contact Materials Regulation GB 9685 2016, Food & Beverage Standards,
Quality Level   100
grade   certified reference material
vapor density   1.03 (vs air)
vapor pressure   52 mmHg ( 37 °C)
autoignition temp.   572 °F
contains   ~37% water in methanol as stabilizer
packaging   pkg of 1 mL
concentration   ~37 wt. % in H2O
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
density   1.09 g/mL at 25 °C (lit.)
suitability   suitable for manufacturing use (Laboratory chemicals)
Featured Industry   Cleaning Products
Cosmetics
Environmental
Food and Beverages
Personal Care
format   single component solution
storage temp.   room temp
SMILES string   [H]C([H])=O
InChI   1S/CH2O/c1-2/h1H2
InChI key   WSFSSNUMVMOOMR-UHFFFAOYSA-N

Description

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN 2209 8 / PGIII
WGK Germany 
3
Flash Point(F) 
132.8 °F
Flash Point(C) 
56 °C

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
Are there any other compounds in Product No. 47083-U, Formaldehyde 37% Wt in Water, except formaldehyde and water?
Cat# 47083-U is a saturated solution of formaldehyde, water, and typically another agent, most commonly methanol. In its typical form, formalin is 37% formaldehyde by weight, 6-13% methanol, and the remainder water.
Why does Product No. 47083-U, Formaldehyde 37% Wt in Water, contain methanol?
A small percentage of methanol is added to limit the extent of polymerization of the formaldehyde.
What is the difference between formalin and formaldehyde?
Formaldehyde is a gas that is readily soluble in water. Formalin is the common name for a solution made of 37% formaldehyde, 6-13% methanol, and water. The terms are not interchangeable.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Protocols & Articles

Articles

OSHA Method 52: GC Analysis of Formaldehyde on SUPELCOWAX® 10 after Collection/Desorption using ORBO™-24

From our library of Articles, Sigma-Aldrich presents OSHA Method 52: GC Analysis of Formaldehyde on SUPELCOWAX® 10 after Collection/Desorption using ORBO™-24
Keywords: Air Monitoring, Chromatography, Gas chromatography, Nitrogen phosphorus detector, Purification

Peer-Reviewed Papers
15

References

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