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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact Export Director now ↓ |
Mainly granular, stable quality, easy to transport and handle and operate, with superior solubility and applicability, widely used in synthetic resins, phenolic resins, urea resins, amine-based resins, melamine resins, coating resins, ion exchange resins, organic synthesis and other products.
| Name | Paraformaldehyde |
| Synonyms | PARAFORM POLYACETAL ACETAL RESIN POLY(TRIOXANE) P-FORMALDEHYDE polyformaldehyde POLYACETAL RESIN Paraformaldehyde PARAFORMALDEHYDE ethyl methyl ether POLY(OXYMETHYLENE), ACETATE END-CAPPED |
| CAS | 30525-89-4 |
| EINECS | 608-494-5 |
| InChI | InChI=1/C3H8O/c1-3-4-2/h3H2,1-2H3 |
| InChIKey | VHWYCFISAQVCCP-UHFFFAOYSA-N |
| Molecular Formula | （CH2O)n |
| Molar Mass | 90.08 |
| Density | 0.88 g/mL at 25 °C (lit.) |
| Melting Point | 120-170 °C (lit.) |
| Boling Point | 107.25°C (rough estimate) |
| Flash Point | 158°F |
| Water Solubility | sparingly soluble |
| Solubility | chlorophenol above 70°C: soluble |
| Vapor Presure | <1.45 mm Hg ( 25 °C) |
| Vapor Density | 1.03 (vs air) |
| Appearance | prilled |
| Color | White to off-white |
| Odor | odor of formaldehyde |
| Merck | 14,7025 |
| BRN | 102769 |
| PH | 5.5 (H2O, 20℃)(saturated solution) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong acids, organic acids, strong oxidizing agents, oxides, alkalies, strong bases, amines. Combustible. Dust may form an explosive mixture with air.Liberates poisonous gas |
| Explosive Limit | 7-73%(V) |
| Refractive Index | 1.4540 (estimate) |
| Physical and Chemical Properties | |
| Use | It is used as a raw material for organic chemical industry and synthetic resin, and also used as a drug fumigant. |
| Risk Codes | R31 – Contact with acids liberates toxic gas R43 – May cause sensitization by skin contact R40 – Limited evidence of a carcinogenic effect R36/37/38 – Irritating to eyes, respiratory system and skin. R20/22 – Harmful by inhalation and if swallowed. R41 – Risk of serious damage to eyes R37/38 – Irritating to respiratory system and skin. R42/43 – May cause sensitization by inhalation and skin contact. R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R11 – Highly Flammable |
| Safety Description | S36 – Wear suitable protective clothing. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24 – Avoid contact with skin. S22 – Do not breathe dust. |
| UN IDs | UN 2213 4.1/PG 3 |
| WGK Germany | 3 |
| RTECS | RV0540000 |
| TSCA | Yes |
| HS Code | 38084090 |
| Hazard Class | 4.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 592 mg/kg |
| Category | Specifications |
|---|---|
| Chemical Name | Paraformaldehyde (Polymerized Formaldehyde) |
| CAS No. | 30525-89-4 |
| Molecular Formula | (CH₂O)ₙ (n = 8–100) |
| Appearance | White crystalline powder |
| Formaldehyde Content | 91–99% (w/w) |
| Melting Point | 120–170°C (depolymerizes) |
| Solubility | Insoluble in cold water, slowly soluble in hot water |
| Property | Performance Data |
|---|---|
| Depolymerization | Releases formaldehyde gas upon heating (>80°C) |
| Purity | ≥95% (industrial grade) |
| Bulk Density | 0.5–0.7 g/cm³ |
| Ash Content | ≤0.05% |
| Industry | Primary Uses |
|---|---|
| Disinfectants | Slow-release formaldehyde source |
| Resins Production | Urea/phenolic resin crosslinker |
| Agriculture | Soil fumigant, preservative |
| Chemical Synthesis | Reagent for Prins reaction |
| Parameter | Requirements |
|---|---|
| GHS Classification | H301, H311, H314, H317, H331, H335, H350 |
| Storage | Sealed, dry, <25°C (avoid heat/moisture) |
| PPE | Respirator, gloves, goggles |
References:
Merck Index (16th Ed.)OSHA Formaldehyde Standard (29 CFR 1910.1048)Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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