Citrazinic acid

Modify Date: 2025-08-20 17:49:07

Citrazinic acid structure	Common Name	Citrazinic acid
	CAS Number	99-11-6	Molecular Weight	155.11
	Density	1.7±0.1 g/cm3	Boiling Point	630.3±55.0 °C at 760 mmHg
	Molecular Formula	C₆H₅NO₄	Melting Point	>300 °C(lit.)
	MSDS	Chinese USA	Flash Point	335.0±31.5 °C
	Symbol	GHS07	Signal Word	Warning

Use of Citrazinic acid

Citrazinic acid is a weakly fluorescent compound whose optical properties are dependent on aggregation states and chemical environment. Citrazinic acid strongly tends to form dimers at high concentrations[1].

Name	Citrazinic acid
Synonym	More Synonyms

Description	Citrazinic acid is a weakly fluorescent compound whose optical properties are dependent on aggregation states and chemical environment. Citrazinic acid strongly tends to form dimers at high concentrations[1].
Related Catalog	Research Areas >> Others
References	[1]. Stagi L, et al. Anomalous Optical Properties of Citrazinic Acid under Extreme pH Conditions. ACS Omega. 2020 May 5;5(19):10958-10964.

Density	1.7±0.1 g/cm3
Boiling Point	630.3±55.0 °C at 760 mmHg
Melting Point	>300 °C(lit.)
Molecular Formula	C₆H₅NO₄
Molecular Weight	155.11
Flash Point	335.0±31.5 °C
Exact Mass	155.021851
PSA	90.65000
LogP	-1.50
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.686
Water Solubility	practically insoluble

Citrazinic acid MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NS1400000

CHEMICAL NAME :: Isonicotinic acid, 2,6-dihydroxy-

CAS REGISTRY NUMBER :: 99-11-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C6-H5-N-O4

MOLECULAR WEIGHT :: 155.12

WISWESSER LINE NOTATION :: T6NJ BQ DVQ FQ

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 :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 800 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 :: >20 mL/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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T1498 No. of Facilities: 43 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 255 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1498 No. of Facilities: 6 (estimated) No. of Industries: 2 No. of Occupations: 1 No. of Employees: 34 (estimated) No. of Female Employees: 3 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S36/37/39-S22
RIDADR	NONH for all modes of transport
WGK Germany	1
RTECS	NS1400000
HS Code	29333999

Isonicotinic acid

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2-Hydroxyisonic...

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Citrazinic acid

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Citric Acid

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Citrazinic acid

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Urea

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Citric Acid

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Citrazinic acid

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Literature: DE1011885 , ;

Precursor 8
CAS#:55-22-1 Isonicotinic acid CAS#:597-59-1 2-hydroxypropan... CAS#:725679-43-6 citric acid α,α... CAS#:130839-31-5 citric acid α-amide
CAS#:5398-44-7 2,6-Dichloroiso... CAS#:1587-20-8 Trimethyl citrate CAS#:77-92-9 Citric Acid CAS#:57-13-6 Urea
DownStream 10
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CAS#:183433-74-1 propyl 4-(1,2-d... CAS#:183434-04-0 (S)-4-Ethyl-4,6... CAS#:194999-55-8 propyl (4S)-4-e... CAS#:86639-52-3 7-Ethyl-10-hydr...
CAS#:2587-03-3 4-Pyridinamine,... CAS#:97682-44-5 Irinotecan

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

6,6'-Dibromo-4,4'-di(hexoxymethyl)-2,2'- bipyridine: a new solubilizing building block for macromolecular and supramolecular applications.

J. Org. Chem. 71(12) , 4696-9, (2006)

Although brominated bipyridines and terpyridines are highly desirable synthetic building blocks for both ligand design and macro- or supramolecular applications, few such synthetic precursors have bee...

Synthesis and antimicrobial activity of some new pyrimidinone and oxazinone derivatives fused with thiophene rings using 2-chloro-6-ethoxy-4-acetylpyridine as starting material.

Molecules 17(11) , 13642-55, (2012)

A series of pyridines, pyrimidinones, oxazinones and their derivatives were synthesized as antimicrobial agents using citrazinic acid (2,6-dihydroxyisonicotinic acid) as a starting material. α,β-Unsat...

2-hydroxy-6-oxo-1H-pyridine-4-carboxylic acid

4-Pyridinecarboxylic acid, 1,2-dihydro-6-hydroxy-2-oxo-

EINECS 202-731-2

6-Hydroxy-4-carboxy-2-pyridone

MFCD00006274

2,6-Dihydroxy-isonicotinic acid

1,2-Dihydro-6-hydroxy-2-oxo-4-pyridinecarboxylic Acid

6-hydroxy-2-oxo-1,2-dihydropyridine-4-carboxylic acid

Citrazinic acid

6-Hydroxy-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid

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China
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Citrazinic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
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Citrazinic acid

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MSDS

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