Sigma-Aldrich
Formaldehyde Solution ACS Reagent, 37 wt.% 100ml, case/4
- Part Number:
- MIL-252549-4X100ML
- Lead Time:
- 2-4 weeks
- Shipping:
- FREE SHIPPING on most orders over $50*
- Quantity:
- 4
- Size:
- 100 ml
- Style:
- chemical
- DOT Rated:
- HazMat Transport Fee Required
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Description
Formaldehyde Solution ACS Reagent 37 wt.% 100ml, Case/4
Synonym: Formalin
- CAS Number 50-00-0
- Linear Formula HCHO
- Molecular Weight 30.03
- Beilstein/REAXYS Number 1209228
- MDL number MFCD00003274
- PubChem Substance ID 24855218
- NACRES NA.21
| Quality Level | 200 |
| Grade | ACS reagent |
| Vapor Density | 1.03 (vs air) |
| Vapor Pressure | 52 mmHg (37°C) |
| InChI Key | WSFSSNUMVMOOMR-UHFFFAOYSA-N |
| Assay | Assay |
| Autoignition Temperature | 572°F |
| contains | 10-15% Methanol as stabilizer (to prevent polymerization) |
| concentration | 37 wt. % in H2O |
| Impurities | ≤0.006 meq/g Titr. acid |
| ign. residue | ≤0.005% |
| color | APHA: ≤10 |
| Refractive Index | n20/D 1.3765 |
| Density | 1.09 g/mL at 25°C (lit.) |
| anion traces | chloride (Cl-): ≤5 ppm |
| cation traces | Fe: ≤5 ppm |
| suitability | suitable for manufacturing use (Laboratory chemicals) |
General description
Formaldehyde (formalin) is produced by oxidation of methanol. It is made of 37% formaldehyde and impurities such as methanol, small amounts of formic acid, aldehydes and ketones. It is used as a denaturant in formaldehyde-agarose gel electrophoresis of RNA.
Application
Formaldehyde solution has been used as a fixing agent to fix cells during immunofluorescence imaging and for cross-linking cells during chromatin immunoprecipitation (ChIP) assay.
Formaldehyde solution has been used for cross-linking/fixing of cells in ChIP (chromatin immunoprecipitation) assay. It has been used for fixing of cells for imaging.
Safety Information
GHS02, GHS05,GHS05
Signal word Danger
Hazard statements H226-H301 + H311 + H331-H314-H317-H335-H341-H350-H370
Precautionary statements P201-P210-P260-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338 + P310-P308 + P311-P370 + P378-P403 + P233
RIDADR UN 2209 8 / PGIII
WGK Germany 3
Flash Point(F) 132.8°F
Flash Point(C) 56°C
Documents
Warnings
Note: These chemicals are for research & laboratory use only. Your order will not be processed if you do not work for, and ship to, a registered laboratory or research facility. Not for topical applications. An official Declaration of Use form may be required.
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
Please note: This product is not returnable.