Paraformaldehyde
SIAL/158127 - powder, 95%
Synonym: Polyoxymethylene
CAS Number: 30525-89-4
Empirical Formula (Hill Notation): CH2O ]n
Molecular Weight: 30.03 (as monomer)
MDL Number: MFCD00133991
Linear Formula: HO(CH2O)nH
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 158127-100G
This image depicts SKU: 158127-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 158127-5G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 158127-500G
This image depicts SKU: 158127-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 158127-2.5KG
This image depicts SKU: 158127-2.5KG
| assay | 95% |
| autoignition temp. | 572 °F |
| density | 0.88 g/mL at 25 °C (lit.) |
| expl. lim. | 73 % |
| form | powder |
| InChI | 1S/CH2O/c1-2/h1H2 |
| InChI key | WSFSSNUMVMOOMR-UHFFFAOYSA |
| mp | 120-170 °C (lit.) |
| Quality Level | 200  |
| storage temp. | 2-8°C |
| vapor density | 1.03 (vs air) |
| vapor pressure | <1.45 mmHg ( 25 °C) |
| General description: | Paraformaldehyde is also referred as polyoxymethylene. It participates as an external CO source in the synthesis of aromatic aldehydes and esters. |
| Other Notes: | 2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research  |
| Packaging: | 2.5 kg in poly bottle |
| Packaging: | 25, 100, 500 g in poly bottle |
| Packaging: | 3 kg in poly drum |
| Packaging: | 5 g in glass bottle |
| Symbol |     GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H228 - H302 + H332 - H315 - H317 - H318 - H335 - H341 - H350 |
| Precautionary statements | P210 - P280 - P301 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/22-37/38-40-41-43 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2213 4.1 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 95% |
| mp | 120-170 °C (lit.) |
| Density | 0.88 g/mL at 25 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |