Skip to Content
Merck
All Photos(1)

Key Documents

8.04784

Sigma-Aldrich

Isatoic anhydride

for synthesis

Synonym(s):

Isatoic anhydride, Anthranilic acid N-carboxylic acid anhydride, 1,4-Dihydro-2H-3,1-benzoxazin-2,4-dione, 2H-3,1-Benzoxazine-2,4-(1H)-dione

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C8H5NO3
CAS Number:
Molecular Weight:
163.13
MDL number:
UNSPSC Code:
12352115
EC Index Number:
204-255-0
NACRES:
NA.22

Quality Level

Assay

≥97.0% (acidimetric)

form

powder

autoignition temp.

>600 °C

potency

>6400 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

bp

350 °C/1013 hPa

mp

230-232 °C

transition temp

flash point 308 °C

solubility

0.3 g/L

bulk density

600 kg/m3

storage temp.

2-30°C

InChI

1S/C8H5NO3/c10-7-5-3-1-2-4-6(5)9-8(11)12-7/h1-4H,(H,9,11)

InChI key

TXJUTRJFNRYTHH-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Identity (IR): passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

586.4 °F - closed cup

Flash Point(C)

308 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service