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Name	Acetrizoic acid	EINECS	201-600-7
CAS No.	85-36-9	Density	2.766 g/cm³
PSA	66.40000	LogP	3.23000
Solubility	1.28g/L(25 oC)	Melting Point	280-280.5 °C (decomp)
Formula	C9H6 I3 N O3	Boiling Point	547.1 ºC
Molecular Weight	556.865	Flash Point	284.7 ºC
Transport Information	N/A	Appearance	N/A
Safety	Mildly toxic by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of I⁻ and NO_x.	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	N/A
Synonyms	Benzoicacid, 3-acetamido-2,4,6-triiodo- (6CI,7CI,8CI);2,4,6-Triiodo-3-acetamidobenzoic acid; 3-Acetamido-2,4,6-triiodobenzoic acid;3-Acetylamino-2,4,6-triiodobenzoic acid; Acetrizoic acid; Opacaron; Urokon;Urokonic acid

Acetrizoic acid Chemical Properties

Molecular Formula: C₉H₆I₃NO₃
Molecular Weight: 556.86
EINECS: 201-600-7
Density: 2.766 g/cm³
Flash Point: 284.7 °C
Index of Refraction: 1.801
CAS Registry Number: 85-36-9
Refractive index: 1.4364-1.4384
Enthalpy of Vaporization: 86.96 kJ/mol
Boiling Point: 547.1 °C at 760 mmHg
Vapour Pressure: 8.39E-13 mmHg at 25°C
Appearence : White crystalline powder
IUPAC Name: 3-Acetamido-2,4,6-triiodobenzoic acid
Synonyms: Acetriazoic acid ; 3-Acetylamino-2,4,6-triiodobenzoic acid ; 2,4,6-Triiodo-3-acetamidobenzoic acid ; 3-(Acetylamino)-2,4,6-triiodo-benzoicaci
Following is the molecular structure of 3-Acetylamino-2,4,6-triiodobenzoic acid (CAS NO.85-36-9):

Acetrizoic acid Uses

3-Acetylamino-2,4,6-triiodobenzoic acid (CAS NO.85-36-9) is used as Contrast agent, suitable for the renal pelvis, urethra, bladder, and cardiovascular imaging.

Acetrizoic acid Production

3-Acetylamino-2,4,6-triiodobenzoic acid (CAS NO.85-36-9) is derived by 3 - amino-2,4,6 - triiodo-sodium benzoate (see 02780) acetyl : successively acetic anhydride, sulfuric acid reaction tank, cooling to 40 ℃ after adding 3 - amino-2,4,6 - 3 Sodium iodine stupid. Temperature, at 80 ℃ for 3 hours. Cooled to room temperature, Lut filtering, washing with distilled water, vinegar and iodine was stupid sour crude. The crude product with water and EDTA stirring 1 hour, filtration, water washed 4 times. Vinegar and then adding iodine benzoic acid tank, pH adjusted to 8.5 with ammonia. Filtration, with 95% ethanol repeated bubble washing, filtered ethanol, benzene, ammonium iodine was vinegar. Be dissolved in distilled water, add decolorizing activated carbon filtration, the filtrate pH adjusted with 3N hydrochloric acid to 1, then filtration, washed with 50 ℃ hot distilled water until no chloride ions, dried, vinegar, iodine was benzoic acid.

Acetrizoic acid Toxicity Data With Reference

1.	unr-rat LD50:9650 mg/kg	JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. 42 (1953),721.
2.	orl-mus LD50:20 g/kg	FRPSAX Farmaco, Edizione Scientifica. 18 (1963),33.
3.	ivn-mus LD50:8000 mg/kg	FRPSAX Farmaco, Edizione Scientifica. 18 (1963),33.

Acetrizoic acid Safety Profile

Mildly toxic by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of I⁻ and NO_x.
Safety Information of 3-Acetylamino-2,4,6-triiodobenzoic acid (CAS NO.85-36-9):
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
Safety Statements: 24/25
RTECS: DG0887000

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