Potassium hydrogen phthalate

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Names

[ CAS No. ]:
877-24-7

[ Name ]:
Potassium hydrogen phthalate

[Synonym ]:
EINECS 212-889-4
potassium,2-carboxybenzoate
MFCD00146206

Chemical & Physical Properties

[ 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)

MSDS

Click to get detail MSDS

Toxicological Information

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

Safety Information

[ 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

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phthalic acid

DownStream

  • Phthalic anhydride
  • Water
  • Monoethyl phthalate
  • methane
  • Lura
  • benzoic acid

Customs

[ 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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Related Compounds

  • potassium hydrogen phthalate
  • potassium hydrogen-5-amino-4-hydroxybenzene-1,3-disulphonate
  • potassium hydrogen 9,10-dihydro-1,5-dihydroxy-4,8-dinitro-9,10-dioxoanthracene-2,6-disulphonate
  • potassium hydrogen diacetate
  • potassium hydrogen 2-octadecenylsuccinate
  • potassium hydrogen ethylmalonate
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  • N-[(1-ethylpyrazol-3-yl)methyl]-1,5-dimethylpyrazol-3-amine;hydrochloride
  • 1-(3-Isopropyl-1-methyl-1H-pyrazol-5-yl)methanamine
  • 4-iodo-1-isobutyl-5-(methoxymethyl)-1H-pyrazole
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  • 1-sec-butyl-4-iodo-5-(methoxymethyl)-1H-pyrazole
  • 1-(2,2-difluoroethyl)-4-iodo-5-(methoxymethyl)-1H-pyrazole
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