Cromoglicic acid

Suppliers

Names

[ CAS No. ]:
16110-51-3

[ Name ]:
Cromoglicic acid

[Synonym ]:
Acidum cromoglicicum
cromolyn
EINECS 240-279-8
Nalcrom
Acide cromoglicique
1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxy propane
1,3-bis(2-carboxy-chromon-5-yloxy)-propan-2-ol
5-[3-(2-carboxy-4-oxochromen-5-yl)oxy-2-hydroxypropoxy]-4-oxochromene-2-carboxylic acid
MFCD00057744
Cromoglicic acid
Cromoglycate
Acido cromoglicico
5,5'-(2-hydroxypropane-1,3-diyl)bis(oxy)bis(4-oxo-4H-chromene-2-carboxylic acid)
Lomudal
Lomusol

Chemical & Physical Properties

[ Density]:
1.623

[ Boiling Point ]:
752.3ºC at 760 mmHg

[ Melting Point ]:
241-242ºC

[ Molecular Formula ]:
C23H16O11

[ Molecular Weight ]:
468.37

[ Flash Point ]:
263.9ºC

[ Exact Mass ]:
468.06900

[ PSA ]:
173.71000

[ LogP ]:
2.11450

[ Vapour Pressure ]:
1.08E-23mmHg at 25°C

[ Index of Refraction ]:
1.681

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2365000
CHEMICAL NAME :
4H-1-Benzopyran-2-carboxylic acid, 5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo-
CAS REGISTRY NUMBER :
16110-51-3
LAST UPDATED :
199606
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C23-H16-O11
MOLECULAR WEIGHT :
468.39

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 :
>2150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4407810

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ WGK Germany ]:
2

[ RTECS ]:
DJ2380000

[ HS Code ]:
2922499990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Cromolyn (sodium)

DownStream

  • dimethyl 5,5'-[(2-hydroxytrimethylene)bis(oxy)]bis[4-oxo-4H-1-benzopyran-2-carboxylate]

Customs

[ HS Code ]: 2922499990

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • Cromoglicic acid-d5
  • Octanethioic acid S-propyl ester
  • Hexanethioic acid S-decyl ester
  • Thiopropionic acid S-undecyl ester
  • trisporic acid
  • Benzenesulfonic acid, 3,3-methylenebis2,4(or 4,6)-dihydroxyphenyleneazobis-, potassium sodium salt
  • tert-butyl N-methyl-N-[1-(1-methylpiperidin-2-yl)-2-oxoethyl]carbamate
  • N-methyl-N-{[2-(piperidin-1-yl)pyridin-3-yl]methyl}hydroxylamine
  • 1-Bromo-2,3-dimethoxy-5-(2-methylbut-3-yn-2-yl)benzene
  • 2-[1-(Aminooxy)-2-methylpropan-2-yl]-4,5-dimethylphenol
  • 2-(1-benzyl-1H-pyrazol-4-yl)-2-methylpropan-1-amine
  • Methyl 3-(2-fluoro-3-methylphenyl)-3-oxopropanoate
  • 2,2-Difluoro-1-(furan-3-yl)cyclopropan-1-amine
  • tert-butyl N-[2-(3-fluoro-4-hydroxyphenyl)-1-oxopropan-2-yl]-N-methylcarbamate
  • tert-Butyl (5-methyloxazol-4-yl)carbamate
  • (1S)-1-(6-chloro-3,4-dihydro-2H-1-benzopyran-3-yl)ethan-1-amine
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