Paraformaldehyde

Modify Date: 2026-06-30 18:27:24

Paraformaldehyde Structure
Paraformaldehyde structure
Common Name Paraformaldehyde
CAS Number 30525-89-4 Molecular Weight 62.068
Density 0.9±0.1 g/cm3 Boiling Point 82.5±8.0 °C at 760 mmHg
Molecular Formula C2H6O2 Melting Point 120-170ºC
MSDS Chinese USA Flash Point 39.9±6.3 °C
Symbol GHS02 GHS05 GHS07 GHS08
GHS02, GHS05, GHS07, GHS08
Signal Word Danger

Summary: Paraformaldehyde macromolecule, Chinese name: 多聚甲醛, CAS number: 30525-89-4, molecular formula: C2H6O2, molecular weight: 62.068. Appearance: white powder with aldehyde odor. Melting point: 120-170ºC, boiling point: 82.5±8.0 °C, density: 0.9±0.1 g/cm3. Mainly used in pesticide, paint, resin, papermaking, casting, animal husbandry, organic raw materials, pharmaceutical industry, etc. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name paraformaldehyde macromolecule
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.9±0.1 g/cm3
Boiling Point 82.5±8.0 °C at 760 mmHg
Melting Point 120-170ºC
Molecular Formula C2H6O2
Molecular Weight 62.068
Flash Point 39.9±6.3 °C
Exact Mass 62.036777
PSA 17.07000
LogP -0.88
Vapour density 1.03 (vs air)
Vapour Pressure 51.0±0.3 mmHg at 25°C
Index of Refraction 1.364
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 gases on combustion.
Water Solubility chlorophenol above 70°C: soluble | sparingly soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RV0540000
CHEMICAL NAME :
Paraformaldehyde
CAS REGISTRY NUMBER :
30525-89-4
LAST UPDATED :
199806
DATA ITEMS CITED :
16
WISWESSER LINE NOTATION :
/*VH*/ X

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062)
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1070 mg/m3/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
10000 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Skin and Appendages - corrosive (after topical exposure) Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9 gm/kg/90D-C
TOXIC EFFECTS :
Behavioral - fluid intake Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
365 mL/kg/2Y-C
TOXIC EFFECTS :
Gastrointestinal - other changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
9 gm/kg/90D-C
TOXIC EFFECTS :
Behavioral - food intake (animal) Nutritional and Gross Metabolic - weight loss or decreased weight gain

MUTATION DATA

TYPE OF TEST :
Morphological transformation
TEST SYSTEM :
Rodent - rat Embryo
DOSE/DURATION :
2200 ng/plate
REFERENCE :
JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 1,190,1981 *** REVIEWS *** TOXICOLOGY REVIEW 27ZTAP "Clinical Toxicology of Commercial Products--Acute Poisoning," 3rd ed., Gleason, M.N., et al., eds., Baltimore, Williams and Wilkins, 1969 Volume(issue)/page/year: 3,108,1969 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1528 No. of Facilities: 236 (estimated) No. of Industries: 5 No. of Occupations: 19 No. of Employees: 1872 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1528 No. of Facilities: 8271 (estimated) No. of Industries: 54 No. of Occupations: 65 No. of Employees: 146532 (estimated) No. of Female Employees: 20414 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS02 GHS05 GHS07 GHS08
GHS02, GHS05, GHS07, GHS08
Signal Word Danger
Hazard Statements H228-H302 + H332-H315-H317-H318-H335-H351
Precautionary Statements P210-P261-P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes Xn:Harmful
Risk Phrases R20/22;R36/37/38;R40;R43
Safety Phrases S24-S26-S36/37/39-S45
RIDADR UN 2213
WGK Germany 3
RTECS RV0540000
Packaging Group III
Hazard Class 4.1
HS Code 2912600000

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2912600000

 Articles174

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

RESOLFT nanoscopy with photoswitchable organic fluorophores.

Sci. Rep. 5 , 17804, (2015)

Far-field optical nanoscopy has been widely used to image small objects with sub-diffraction-limit spatial resolution. Particularly, reversible saturable optical fluorescence transition (RESOLFT) nano...

An optimized method to process mouse CNS to simultaneously analyze neural cells and leukocytes by flow cytometry.

J. Neurosci. Methods 247 , 23-31, (2015)

Flow cytometry is an efficient and powerful technique to characterize and quantify numerous cells. However, the strengths of this technique have not been widely harnessed in neurosciences due to the c...

Rapid titration of measles and other viruses: optimization with determination of replication cycle length.

PLoS ONE 6 , e24135, (2011)

Measles virus (MV) is a member of the Paramyxoviridae family and an important human pathogen causing strong immunosuppression in affected individuals and a considerable number of deaths worldwide. Cur...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Paraformaldehyde
Polyoxymethylene
EINECS 200-001-8
MFCD00133991

 Paraformaldehyde | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of paraformaldehyde macromolecule?
A: The English name of paraformaldehyde macromolecule is paraformaldehyde macromolecule.
Q: What is the molecular weight of paraformaldehyde macromolecule?
A: Molecular weight of paraformaldehyde macromolecule is 62.068.
Q: What is the LogP of paraformaldehyde macromolecule?
A: LogP of paraformaldehyde macromolecule is -0.88.
Q: What is the polar surface area (PSA) of paraformaldehyde macromolecule?
A: Polar surface area (PSA) of paraformaldehyde macromolecule is 17.07000.
Q: What is the boiling point of paraformaldehyde macromolecule?
A: Boiling point of paraformaldehyde macromolecule is 82.5±8.0 °C at 760 mmHg.
Q: What is the molecular formula of paraformaldehyde macromolecule?
A: Molecular formula of paraformaldehyde macromolecule is C2H6O2.
Q: What is the CAS number of paraformaldehyde macromolecule?
A: CAS number of paraformaldehyde macromolecule is 30525-89-4.
Q: What English synonyms does paraformaldehyde macromolecule have?
A: English synonyms of paraformaldehyde macromolecule: Paraformaldehyde, Polyoxymethylene, EINECS 200-001-8, MFCD00133991.
Q: What is the safety information for paraformaldehyde macromolecule?
A: Safety information for paraformaldehyde macromolecule: S24-S26-S36/37/39-S45.
Q: What is the melting point of paraformaldehyde macromolecule?
A: Melting point of paraformaldehyde macromolecule is 120-170ºC.

 Paraformaldehydefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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