Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Pyromellitic acid
Price: ￥168.0/100g ￥468.0/500g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2,4,5-Benzenetetracarboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM CAS:89-05-4 1,2,4,5-Benzenetetracarboxylic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

89-05-4

89-05-4 structure

89-05-4 structure

Name: Pyromellitic acid
Chemical Name: pyromellitic acid
CAS Number: 89-05-4
Molecular Formula: C₁₀H₆O₈
Molecular Weight: 254.150
Catalog: Chemical reagent Organic reagent Aromatic acid
Create Date: 2018-06-07 13:53:32
Modify Date: 2024-01-02 07:13:42

Name	pyromellitic acid
Synonyms	1,2,4,5-benzene tetracarboxylic acid 1,2,4,5-Benzenetetracarboxylic acid MFCD00002471 UNII:D9UXG2U6ZU EINECS 201-879-5 Benzene-1,2,4,5-tetracarboxylic acid

Density	1.8±0.1 g/cm3
Boiling Point	585.8±50.0 °C at 760 mmHg
Melting Point	281-284.5 °C(lit.)
Molecular Formula	C₁₀H₆O₈
Molecular Weight	254.150
Flash Point	322.1±26.6 °C
Exact Mass	254.006271
PSA	149.20000
LogP	0.44
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.701
Stability	Stable. Incompatible with strong oxidizing agents, strong bases.
Water Solubility	1.5 g/100 mL (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB9275000

CHEMICAL NAME :: 1,2,4,5-Benzenetetracarboxylic acid

CAS REGISTRY NUMBER :: 89-05-4

BEILSTEIN REFERENCE NO. :: 1887659

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H6-O8

MOLECULAR WEIGHT :: 254.16

WISWESSER LINE NOTATION :: QVR BVQ DVQ EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H319
Precautionary Statements	P280-P305 + P351 + P338-P337 + P313
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37/39-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	DB9275000
HS Code	2917399090

Precursor 9
95-93-2 5779-72-6 528-90-5 6298-72-2
85068-00-4 85067-96-5 85067-95-4 2362-16-5
1585-15-5
DownStream 8
2550-73-4 89-32-7 635-10-9 101-81-5
2321-07-5 320-23-0 15383-49-0 65975-34-0

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%