Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Potassium hydrogen phthalate
Price: Check
Purity: 99.5%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Potassium hydrogen phthalate
Price: ￥58.0/500g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Potassium hydrogen phthalate
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: Potassium hydrogen phthalate
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Potassium hydrogen phthalate
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

877-24-7

877-24-7 structure

877-24-7 structure

Name: Potassium hydrogen phthalate
Chemical Name: Potassium hydrogen phthalate
CAS Number: 877-24-7
Molecular Formula: C₈H₅KO₄
Molecular Weight: 204.221
Catalog: Organic raw materials Organometallic compound Organic potassium
Create Date: 2018-02-04 08:00:00
Modify Date: 2025-08-21 12:02:16

Name	Potassium hydrogen phthalate
Synonyms	EINECS 212-889-4 potassium,2-carboxybenzoate MFCD00146206

Density	1.006 g/mL at 20 °C
Boiling Point	378.3ºC at 760 mmHg
Melting Point	295-300 °C (dec.)(lit.)
Molecular Formula	C₈H₅KO₄
Molecular Weight	204.221
Flash Point	196.7ºC
Exact Mass	203.982498
PSA	77.43000
Storage condition	Store at RT.
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	80 G/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ4326000

CHEMICAL NAME :: 1,2-Benzenedicarboxylic acid, monopotassium salt

CAS REGISTRY NUMBER :: 877-24-7

LAST UPDATED :: 199707

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C8-H5-O4.K

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >3200 mg/kg

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

REFERENCE :: KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;C: Corrosive;
Risk Phrases	36/38-36/37/38-34
Safety Phrases	S26-S36-S24/25-S22-S45-S36/37/39
RIDADR	UN 1789 8/PG 3
WGK Germany	1
RTECS	CZ4326000
HS Code	2916399090

88-99-3 structure

88-99-3

~%

877-24-7 structure

877-24-7

Literature: Physica B: Condensed Matter, , vol. 405, # 12 p. 2605 - 2609

Precursor 1
88-99-3
DownStream 6
85-44-9 7732-18-5 2306-33-4 34557-54-5
2305-32-0 65-85-0

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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