1.04003
Formaldehyde solution about 37%
GR for analysis stabilized with about 10% methanol ACS,Reag. Ph Eur
Synonym(s):
Formaldehyde solution, Formaline solution, Methanal solution, Methylaldehyde solution, Formalin
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About This Item
grade
ACS reagent
Quality Level
agency
reag. Ph. Eur.
vapor density
1.03 (vs air)
vapor pressure
52 mmHg ( 37 °C)
form
liquid
autoignition temp.
300 °C (Formaldehyde), 572 °F
expl. lim.
7-73 % (v/v) Formaldehyde()
concentration
36.5-38.0% (iodometric, acidimetric)
dilution
(for analytical testing)
pH
2.8-4.0 (20 °C in H2O)
bp
93-96 °C/1013 hPa
mp
<-15 °C
transition temp
flash point 62 °C (Formaldehyde)
density
1.09 g/cm3 at 20 °C, 1.09 g/mL at 25 °C (lit.)
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
15-25°C
SMILES string
[H]C([H])=O
InChI
1S/CH2O/c1-2/h1H2
InChI key
WSFSSNUMVMOOMR-UHFFFAOYSA-N
General description
Analysis Note
Assay (iodometric): 36.5 - 38.0 %
Identity: passes test
Color: ≤ 10 Hazen
Appearance of solution: passes test
Free acid (as HCOOH): ≤ 0.025 %
Density (20 °C): 1.080 - 1.090 g/ml
Chloride (Cl): ≤ 0.0001 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0002 %
Fe (Iron): ≤ 0.0001 %
Methanol (GC): 9.0 - 11.0 %
Sulfated ash: ≤ 0.002 %
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3
target_organs
Eyes,Central nervous system, Respiratory system
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
143.6 °F - closed cup
flash_point_c
62 °C - closed cup
Regulatory Information
This item has
Certificates of Analysis (COA)
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Protocols
Preparation of a standard solution for Formaldehyde
甲醛标准溶液制备
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1040031000 | 04022536046174 |
| 1040032500 | 04022536046204 |
| 1040039025 | 04022536046235 |
| 1040035000 | 04022536666068 |