ChemicalBook > CAS DataBase List > p-Tolualdehyde
p-Tolualdehyde
- Product Name
- p-Tolualdehyde
- CAS No.
- 104-87-0
- Chemical Name
- p-Tolualdehyde
- Synonyms
- 4-METHYLBENZALDEHYDE;Benzaldehyde, 4-methyl-;p-Toluic aldehyde;p-Tolualdehyde ,98%;P-METHYLBENZALDEHYDE;FEMA 3068;4-TOLUALDEHYDE;PTAL;TOLYLALDEHYDE;P-Touladehyde
- CBNumber
- CB3774896
- Molecular Formula
- C8H8O
- Formula Weight
- 120.15
- MOL File
- 104-87-0.mol
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p-Tolualdehyde Property
- Melting point:
- -6 °C
- Boiling point:
- 204-205 °C (lit.) 82-85 °C/11 mmHg (lit.)
- Density
- 1.019 g/mL at 25 °C (lit.)
- vapor pressure
- 0.33 hPa (25 °C)
- FEMA
- 3068 | TOLUALDEHYDES (MIXED O,M,P)
- refractive index
- n20/D 1.545(lit.)
- Flash point:
- 176 °F
- storage temp.
- Store below +30°C.
- solubility
- water: soluble0.25 g/L at 25°C
- form
- Liquid
- color
- Clear colorless to yellow
- Odor
- at 5.00 % in dipropylene glycol. fruity cherry deep phenolic
- Odor Type
- fruity
- biological source
- synthetic
- explosive limit
- 0.9-5.6%(V)
- Water Solubility
- 0.25 g/L (25 ºC)
- Sensitive
- Air Sensitive
- BRN
- 385772
- InChIKey
- FXLOVSHXALFLKQ-UHFFFAOYSA-N
- LogP
- 2.25
- CAS DataBase Reference
- 104-87-0(CAS DataBase Reference)
- NIST Chemistry Reference
- Benzaldehyde, 4-methyl-(104-87-0)
- EPA Substance Registry System
- 4-Methylbenzaldehyde (104-87-0)
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Safety
- Hazard Codes
- Xn
- Risk Statements
- 22-36/37/38-36/38
- Safety Statements
- 26-36-37/39
- RIDADR
- NA 1993 / PGIII
- WGK Germany
- 1
- RTECS
- CU7034500
- F
- 9-23
- Autoignition Temperature
- 395 °C DIN 51794
- TSCA
- Yes
- HS Code
- 29122900
- Hazardous Substances Data
- 104-87-0(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: 1600 mg/kg
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- W306800
- Product name
- <I>p</I>-Tolualdehyde
- Purity
- ≥97%, FG
- Packaging
- 1 unit
- Price
- $53.48
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- W306800
- Product name
- <I>p</I>-Tolualdehyde
- Purity
- ≥97%, FG
- Packaging
- 1 unit
- Price
- $53.48
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- W306800
- Product name
- p-Tolualdehyde
- Purity
- ≥97%, FG
- Packaging
- 1kg
- Price
- $65.45
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- W306800
- Product name
- p-Tolualdehyde
- Purity
- ≥97%, FG
- Packaging
- 10Kg
- Price
- $432
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- W306800
- Product name
- p-Tolualdehyde
- Purity
- ≥97%, FG
- Packaging
- 25kg
- Price
- $868
- Updated
- 2025/07/31
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p-Tolualdehyde Chemical Properties,Usage,Production
Chemical Properties
Clear colorless to pale yellow liquid. Soluble in alcohol and oils. Sweet-herbaceous, Bitter-almond-like moderately tenacious odor. Not as pungent as Benzaldehyde, but more herbaceous-warm. Intensely sweet, warm-fruity and Bitteralmond-like taste in concentrations lower than 500 ppm.
Uses
p-Tolualdehyde is made by the Vilsmeier reaction employing toluene and dimethylformamide or the Guttermann–Koch reaction employing toluene and carbon monoxide.
Uses
p-Tolualdehyde is used as an intermediate for the synthesis of pharmaceuticals, dyes perfumes and agrochemicals. It is also used as a fixative of flavorings. It is also used as an important organic intermediates, used for spices, triphenylmethane dye synthesis, etc.
Uses
p-Tolualdehyde may be used as an analytical reference standard for the quantification of the analyte in the following:
- Air samples using high-performance liquid chromatography with UV detection (HPLC-UV).
- Mango cultivars using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS).
Definition
ChEBI: A tolualdehyde compound with the methyl substituent at the 4-position.
Preparation
p-Tolualdehyde is prepared by oxidation of mixed Tolylalcohols.
Synthesis Reference(s)
Journal of the American Chemical Society, 105, p. 7175, 1983 DOI: 10.1021/ja00362a028
Tetrahedron Letters, 29, p. 6265, 1988 DOI: 10.1016/S0040-4039(00)82321-7
General Description
p-Tolualdehyde (4-Methylbenzaldehyde) is an aromatic aldehyde. It has been generated as major oxygenated product during the UV light irradiated oxygenation of p-xylene, via photoinduced electron transfer mechanism. It undergoes condensation reaction with diiron μ-ethylidyne complex to afford μ-vinylcarbyne complex (92% yield).
Flammability and Explosibility
Not classified
Purification Methods
Steam distil the aldehyde, dry it with CaSO4, then fractionally distil it. [Beilstein 7 IV 672.]
Toxics Screening Level
The initial threshold screening level (ITSL) for p-tolualdehyde is 440 μg/m3 based on an annual averaging time.
p-Tolualdehyde Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from p-Tolualdehyde manufacturers
Hebei Zhuanglai Chemical Trading Co Ltd
- Product
- p-Tolualdehyde 104-87-0
- Price
- US $55.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2024-11-15
Henan Aochuang Chemical Co.,Ltd.
- Product
- p-Tolualdehyde 104-87-0
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-10-12
Hebei Chuanghai Biotechnology Co., Ltd
- Product
- p-Tolualdehyde 104-87-0
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2025-03-11
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