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Terephthalaldehyde

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Origin: China

Cas No: 623-27-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 623-27-8

Other Names:: Terephthaldicarboxaldehyde

MF:: C8H6O2

EINECS No.:: 623-27-8

Place of Origin:: Shandong, China

Type:: Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates

Purity:: ≥99%

Brand Name:: FinerChem

Model Number:: 623-27-8

Application:: pharmaceutical intermediate

Appearance:: white powder, white powder

Product name:: Terephthaldicarboxaldehyde

CAS:: 623-27-8

Packaging&Delivery

Packaging Details: Aluminium foil bag for within 10kg, 25kg/Fiber drum, 25kg/kraft bag

Port: SHANGHAI, QINGDAO , BEIJING, SHENZHEN , DALIAN

Lead Time:

Quantity(Kilograms)	1 - 500	>500
Est. Time(days)	4	To be negotiated

Products Description

Product Name	Terephthaldicarboxaldehyde
CAS No.	623-27-8
Appearance	white powder
Assay	≥99%
Capacity	2000mt/year
Min.packing	1gram
Application	optical brightener/pharmaceutical intermediate
Standard	Export
Brand	Finerchem
More information	Molecular Formula: C8H6O2 Molecular Weight: 134.13 CAS Registry Number: 623-27-8 EINECS: 210-784-8 Melting point: 114-116 ºC Boiling point: 245-248 ºC Flash point: 76 ºC Water solubility: 3 g/L (50 ºC)

Property

CAS No.: 623-27-8 Formula: C8H6O2 Molecular Weight: 134.13200

Basic Info

Chemical Name	Terephthalaldehyde
Synonyms	1,4-Phthalaldehyde; 1,4-Benzenedicarboxaldehyde;
CAS No.	623-27-8
Molecular Formula	C8H6O2
Molecular Weight	134.13200
PSA	34.14000
LogP	1.31160

Properties

Appearance & Physical State	white crystals
Density	1.189 g/cm3
Boiling Point	245-248ºC
Melting Point	114-116ºC
Flash Point	76ºC
Water Solubility	3 g/L (50 ºC)
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a cool, dry place. Keep container closed when not in use.

Safety Info

RTECS	WZ0430000
Safety Statements	S24/25
HS Code	2912299000
WGK Germany	1
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

(E)-4-[2-(4-trifluoromethylphenyl)ethenyl]benzaldehyde→4-(Trifluoromethyl)benzaldehyde+Terephthalaldehyde
p-Xylene→1-ethyl-4-methylbenzene+1-methyl-4-[2-(4-methylphenyl)ethyl]benzene
p-Xylene+acetic acid→terephthalic acid+(4-methylphenyl)methyl acetate

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	Carbowax 20M	-	2347.	temperature ramp
Capillary	Ultra-1	-	1166.	temperature ramp

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Unreported	LDLo - Lowest published lethal dose	Rodent - mouse	1154 mg/kg	1.Details of toxic effects not reported other than lethal dose value

Precursor

terephthalic acid
4-(1,1-diacetoxymethane)benzaldehyde-1,1-diacetate
p-Xylene
Terephthaloyl Chloride

Downstream Product

2-Propenoic acid, 3,3'-(2-nitro-1,4-phenylene)bis- (en)
6-nitro-2-[4-(6-nitro-1H-benzimidazol-2-yl)phenyl]-1H-benzimidazole
1,4-Bis(difluoromethyl)benzene
3-[[4-[(3-carboxyphenyl)iminomethyl]phenyl]methylideneamino]benzoic acid

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