P-methyl benzaldehyde
p-Tolualdehyde
CAS: 104-87-0
Molecular Formula: C8H8O
P-methyl benzaldehyde - Names and Identifiers
| Name | p-Tolualdehyde |
| Synonyms | p-Tolualdehyde 4-Toluic aldehyde p-Toluic aldehyde 4-Methylbenzaldehyde P-methyl benzaldehyde 4-Formyltoluene, p-Tolualdehyde 4-METHYLPIPERIDINE FOR SYNTHESIS 4-METHYLBENZALDEHYDE FOR SYNTHESIS |
| CAS | 104-87-0 |
| EINECS | 203-246-9 |
| InChI | InChI=1/C8H8O/c1-7-2-4-8(6-9)5-3-7/h2-6H,1H3 |
| InChIKey | FXLOVSHXALFLKQ-UHFFFAOYSA-N |
P-methyl benzaldehyde - Physico-chemical Properties
| Molecular Formula | C8H8O |
| Molar Mass | 120.15 |
| Density | 1.019 g/mL at 25 °C (lit.) |
| Melting Point | -6 °C |
| Boling Point | 204-205 °C (lit.)82-85 °C/11 mmHg (lit.) |
| Flash Point | 176°F |
| Water Solubility | 0.25 g/L (25 ºC) |
| Solubility | water: soluble0.25 g/L at 25°C |
| Vapor Presure | 0.33 hPa (25 °C) |
| Appearance | Liquid |
| Color | Clear colorless to yellow |
| BRN | 385772 |
| Storage Condition | Store below +30°C. |
| Sensitive | Air Sensitive |
| Explosive Limit | 0.9-5.6%(V) |
| Refractive Index | n20/D 1.545(lit.) |
| Physical and Chemical Properties | Appearance: colorless or light yellow transparent liquid |
| Use | Is an important intermediate in organic synthesis, used in the synthesis of spices, triphenylmethane dyes |
P-methyl benzaldehyde - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 1 |
| RTECS | CU7034500 |
| FLUKA BRAND F CODES | 9-23 |
| TSCA | Yes |
| HS Code | 29122900 |
| Toxicity | LD50 orally in Rabbit: 1600 mg/kg |
P-methyl benzaldehyde - Reference Information
| FEMA | 3068 | TOLUALDEHYDES (MIXED O,M,P) |
| LogP | 2.25 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| properties | p-tolualdehyde is a colorless liquid with a relative density of 1.020, a boiling point of 204 °c and a refractive index of 1.54693(16.6 °c). Slightly soluble in water, soluble in ethanol and ether. |
| Introduction | p-tolualdehyde is an important organic intermediate, intermediate for organic synthesis, can be used as a raw material for polyester synthesis, ring oxidant, plasticizers, gels, Polymer Additives, also used to synthesize medicine, perfume raw materials. High purity terephthalic acid (PTA) can be prepared by oxidation of p-methylbenzaldehyde, which is beneficial to industrialization. |
| Application | p-tolualdehyde is an aldehyde derivative, which is mainly used as an intermediate of drugs and dyes, perfume and flavor enhancer, etc. GB 2760-1996 provides for the permitted use of flavorants. Mainly used for the preparation of nut flavor. is an important intermediate in organic synthesis, used in the synthesis of spices, triphenylmethane dyes, etc. |
| content analysis | determined by gas chromatography (GT-10-4) using a non-polar column method. |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): Beverage 11; Ice cream 16; Candy 25; Baked product 28; gelatin and pudding 8.3; Gum 430; Cherry products 1.0. |
| production method | is derived from the oxidation of p-xylene. |
| autoignition temperature | 395°C DIN 51794 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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