Paraformaldehyde

Modify Date: 2024-01-02 07:30:58

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

 Names

Name paraformaldehyde macromolecule
Synonym More Synonyms

 Chemical & Physical Properties

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

 Toxicological Information

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

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

HS Code 2912600000

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 Synonyms

Paraformaldehyde
Polyoxymethylene
EINECS 200-001-8
MFCD00133991
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