5026-62-0
Product Name:
Sodium methylparaben
Formula:
C8H9NaO3
Synonyms:
4-Hydroxybenzoic acid methyl ester sodium salt, Methylparaben sodium salt;Methyl 4-hydroxybenzoate sodium salt;Methylis parahydroxybenzoas natricum;Sodium methyl 4-hydroxybenzoate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | White, hygroscopic powder |
|---|---|
| Melting Point | The white precipitate formed by acidifying with hydrochloric acid a 10 % (w/v) aqueous solution of the sodium derivative of methylp-hydroxybenzoate (using litmus paper as indicator) shall, when washed with water and dried at 80 °C for two hours, have a melting range of 125 °C to 128 °C |
| pH | 9,7-10,3 (0,1 % solution in carbon dioxide free water) |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 174.13 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 174.02928836 g/mol |
| Monoisotopic Mass | 174.02928836 g/mol |
| Topological Polar Surface Area | 49.4 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 141 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |