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ChemicalBook >> CAS DataBase List >> Potassium hydrogen phthalate

Potassium hydrogen phthalate

Potassium hydrogen phthalate price.
  • $20 - $2420
  • Product name: Potassium hydrogen phthalate
  • CAS: 877-24-7
  • MF: C8H5KO4
  • MW: 204.22
  • EINECS:212-889-4
  • MDL Number:MFCD00146206
  • Synonyms:Phthalic acid, MonopotassiuM salt (8CI);potassiuM 2-carboxybenzoate;PotassiuM Biphthalate, Reagent, ACS;PotassiuM Hydrogen Phthalate, AcidiMetric Standard, Crystal, Reagent Special, ACS;BUFFER CONCENTRATE, PH 6.00;BUFFER CONCENTRATE, PH 7.00;BUFFER MIXTURE, PH 6.8;BUFFER O
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  • 1048749012
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  • ManufacturerAHH
  • Product numberMT-21592
  • Product descriptionPotassium hydrogen phthalate 99%
  • Packaging5000g
  • Price$300
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ52471
  • Product descriptionPotassium hydrogen phthalate
  • Packaging25g
  • Price$20
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product number035603
  • Product descriptionPotassium hydrogen phthalate, 0.05N Standardized Solution
  • Packaging500ml
  • Price$33.6
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product number035603
  • Product descriptionPotassium hydrogen phthalate, 0.05N Standardized Solution
  • Packaging1L
  • Price$40.65
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA12895
  • Product descriptionPotassium hydrogen phthalate 99%
  • Packaging250g
  • Price$46.9
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number033351
  • Product descriptionPotassium hydrogen phthalate, primary standard, ACS, 99.95-100.05%
  • Packaging250g
  • Price$66.4
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA12895
  • Product descriptionPotassium hydrogen phthalate 99%
  • Packaging500g
  • Price$71.8
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product numberA12895
  • Product descriptionPotassium hydrogen phthalate, 99%
  • Packaging1000g
  • Price$146
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product number033351
  • Product descriptionPotassium hydrogen phthalate, primary standard, ACS, 99.95-100.05%
  • Packaging1kg
  • Price$154
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA12895
  • Product descriptionPotassium hydrogen phthalate, 99%
  • Packaging5000g
  • Price$555
  • Updated2024-03-01
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberBBF0000659
  • Product descriptionPBS 95.00%
  • Packaging5MG
  • Price$502.72
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number01969
  • Product descriptionPotassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis)
  • Packaging100G
  • Price$20
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number01969
  • Product descriptionPotassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis)
  • Packaging250G
  • Price$35
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number01969
  • Product descriptionPotassiumhydrogenphthalate,acidimetricstandard,99-100%(Assaybytitration,drybasis),ACSreagent 99-100%(Assaybytitration,drybasis)
  • Packaging1KG
  • Price$87.36
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number01969
  • Product descriptionPotassiumhydrogenphthalate,acidimetricstandard,99-100%(Assaybytitration,drybasis),ACSreagent 99-100%(Assaybytitration,drybasis)
  • Packaging2.5KG
  • Price$180.54
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number01969
  • Product descriptionPotassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis)
  • Packaging5KG
  • Price$280
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-21592 Potassium hydrogen phthalate 99% 5000g $300 2021-12-16 Buy
AK Scientific J52471 Potassium hydrogen phthalate 25g $20 2021-12-16 Buy
Alfa Aesar 035603 Potassium hydrogen phthalate, 0.05N Standardized Solution 500ml $33.6 2024-03-01 Buy
Alfa Aesar 035603 Potassium hydrogen phthalate, 0.05N Standardized Solution 1L $40.65 2024-03-01 Buy
Alfa Aesar A12895 Potassium hydrogen phthalate 99% 250g $46.9 2023-06-20 Buy
Alfa Aesar 033351 Potassium hydrogen phthalate, primary standard, ACS, 99.95-100.05% 250g $66.4 2024-03-01 Buy
Alfa Aesar A12895 Potassium hydrogen phthalate 99% 500g $71.8 2023-06-20 Buy
Alfa Aesar A12895 Potassium hydrogen phthalate, 99% 1000g $146 2024-03-01 Buy
Alfa Aesar 033351 Potassium hydrogen phthalate, primary standard, ACS, 99.95-100.05% 1kg $154 2024-03-01 Buy
Alfa Aesar A12895 Potassium hydrogen phthalate, 99% 5000g $555 2024-03-01 Buy
American Custom Chemicals Corporation BBF0000659 PBS 95.00% 5MG $502.72 2021-12-16 Buy
Chem-Impex 01969 Potassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis) 100G $20 2021-12-16 Buy
Chem-Impex 01969 Potassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis) 250G $35 2021-12-16 Buy
Chem-Impex 01969 Potassiumhydrogenphthalate,acidimetricstandard,99-100%(Assaybytitration,drybasis),ACSreagent 99-100%(Assaybytitration,drybasis) 1KG $87.36 2021-12-16 Buy
Chem-Impex 01969 Potassiumhydrogenphthalate,acidimetricstandard,99-100%(Assaybytitration,drybasis),ACSreagent 99-100%(Assaybytitration,drybasis) 2.5KG $180.54 2021-12-16 Buy
Chem-Impex 01969 Potassium hydrogen phthalate, acidimetric standard 99 - 100% (Assay by titration, dry basis) 5KG $280 2021-12-16 Buy

Properties

Melting point :295-300 °C (dec.) (lit.)
Boiling point :98.5-99.5 ;°C/740 ;mmHg(lit .)
Density :1.006 g/mL at 20 °C
storage temp. :Store at +5°C to +30°C.
solubility :H2O: 100 mg/mL, clear, colorless
form :Solid
color :White
PH :4.00-4.02 (25.0℃±0.2℃, 0.05M)
Odor :Odorless
PH Range :3.8 - 4.0 (5% aq. sol.)
Water Solubility :80 G/L (20 ºC)
Merck :14,7612
BRN :3637128
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :IWZKICVEHNUQTL-UHFFFAOYSA-M
LogP :-2.73
CAS DataBase Reference :877-24-7(CAS DataBase Reference)
EPA Substance Registry System :Monopotassium phthalate (877-24-7)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters and for the preparation of volumetric alkali solutions. It acts as buffer in pH determination. It finds application as a useful standard for total organic carbon testing.

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