Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Methylphthalic anhydride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4-Methylphthalic anhydride
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

19438-61-0

19438-61-0 structure

Name: 5-Methyl-2-benzofuran-1,3-dione
Chemical Name: 4-Methylphthalic anhydride
CAS Number: 19438-61-0
Molecular Formula: C₉H₆O₃
Molecular Weight: 162.142
Catalog: Chemical reagent Organic reagent Aromatic acid
Create Date: 2018-03-30 08:00:00
Modify Date: 2025-08-25 17:08:07

Name	4-Methylphthalic anhydride
Synonyms	4-methylphthalic acid anhydride 4-Methylphthalic anh 5-methyl-3-isobenzofurandione 5-methylphthalic acid anhydride Resorcinol dibenzoate 1,3-Isobenzofurandione, 5-methyl- 4-Methylphalic Anhydride 4-methyl-phthalic anhydride 4-Methylphthalic Anhydride 5-Methyl-1,3-isobenzofurandione Ethyl-2-benzofuran MFCD00041856 5-Methyl-2-benzofuran-1,3-dione 5-Methylisobenzofuran-1,3-dione EINECS 243-073-6

Density	1.4±0.1 g/cm3
Boiling Point	295.0±0.0 °C at 760 mmHg
Melting Point	90-92 °C(lit.)
Molecular Formula	C₉H₆O₃
Molecular Weight	162.142
Flash Point	156.3±19.2 °C
Exact Mass	162.031693
PSA	43.37000
LogP	2.06
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.597
Water Solubility	insoluble

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2932999099

106-43-4

19438-61-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 6137

4316-23-8

~96%

19438-61-0

Literature: Nandhikonda, Premchendar; Heagy, Michael D. Organic Letters, 2010 , vol. 12, # 21 p. 4796 - 4799

1694-82-2

~10%

19438-61-0

19438-60-9

99-94-5

Detail

Literature: Journal of applied chemistry of the USSR, , vol. 60, # 1 pt 2 p. 136 - 138

3425-89-6

~5%

19438-61-0

19438-59-6

19438-60-9

Detail

Literature: J. Appl. Chem. USSR (Engl. Transl.), , vol. 61, # 9 p. 2060 - 2063,1863 - 1866

106-43-4

108-88-3

19438-61-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 6137

19438-59-6

7726-95-6

64-19-7

19438-61-0

Literature: Journal of the American Chemical Society, , vol. 72, p. 3732

5999-20-2

85-44-9

19438-61-0

4792-30-7

Detail

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 4 p. 817 - 820 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 4 p. 925 - 928

Precursor 9
106-43-4 4316-23-8 1694-82-2 3425-89-6
108-88-3 19438-59-6 7726-95-6 64-19-7
5999-20-2
DownStream 9
40314-06-5 3837-38-5 3286-01-9 84-54-8
93282-20-3 173962-59-9 1147-41-7 20116-65-8
21991-42-4

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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19438-61-0	1938-61-0
19438-59-6	140431-39-6
61639-99-4	3425-89-6
19438-60-9	1694-82-2
5333-84-6	89586-40-3
732983-84-5	1015229-68-1
1334547-21-5	1334546-89-2
156204-43-2	1266083-45-7
1334547-17-9	1334547-15-7
1260761-85-0	2230013-04-2