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Name	2-Chloro-4,6-dimethoxy-1,3,5-triazine	EINECS	221-541-0
CAS No.	3140-73-6	Density	1.36 g/cm³
PSA	57.13000	LogP	0.54220
Solubility	insoluble in water	Melting Point	71-74 °C(lit.)
Formula	C₅H₆ClN₃O₂	Boiling Point	305.1 °C at 760 mmHg
Molecular Weight	175.575	Flash Point	138.3 °C
Transport Information	N/A	Appearance	white to almost white crystalline powder
Safety	26-36/37	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	s-Triazine,2-chloro-4,6-dimethoxy- (6CI,7CI,8CI);2,4-Dimethoxy-6-chloro-1,3,5-triazine;2,4-Dimethoxy-6-chloro-s-triazine;2-Chloro-4,6-dimethoxy-s-triazine;4,6-Dimethoxy-2-chloro-s-triazine;6-Chloro-2,4-dimethoxy-s-triazine;	Article Data	37

2-Chloro-4,6-dimethoxy-1,3,5-triazine Synthetic route

: 67-56-1
methanol

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
With sodium hydrogencarbonate at 25 - 50℃; for 4h;	96%
With sodium hydrogencarbonate In water at 100℃; for 36h; Large scale;	89.5%
With sodium hydrogencarbonate at 0 - 50℃; for 4h;	86%

: 1075-59-8
2,4-dimethoxy-6-hydroxy-1,3,5-triazine

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
With N,N-diethylaniline; trichlorophosphate for 3h; Heating;	90%
With N,N-diethylaniline; trichlorophosphate for 3h; Reflux;

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
With sodium hydrogencarbonate In methanol; water	89.2%
With potassium hydrogencarbonate In methanol; water	88.3%
With potassium hydrogencarbonate In methanol; water; ethyl acetate	87.5%

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

: 124-41-4
sodium methylate

A: 3638-04-8
2,4-Dichloro-6-methoxy-1,3,5-triazine

B: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
In methanol; toluene at 0℃; for 2h; Substitution;	A 10% B 82%

: 79-16-3
N-methyl-acetamide

: 3638-04-8
2,4-Dichloro-6-methoxy-1,3,5-triazine

A: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

B: 2-acetamido-4,6-dichloro-1,3,5-triazine

C: 2-(acetamido)-4-chloro-6-methoxy-1,3,5-triazine

Conditions

Conditions	Yield
Stage #1: N-methyl-acetamide With sodium hydride In tetrahydrofuran at 0 - 50℃; for 0.75h; Stage #2: 2,4-Dichloro-6-methoxy-1,3,5-triazine In tetrahydrofuran at 0℃; for 2h;	A 31% B 28% C 4%

: 67-56-1
methanol

: 3638-04-8
2,4-Dichloro-6-methoxy-1,3,5-triazine

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
With sodium hydrogencarbonate

: 67-56-1
methanol

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

A: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

B: 877-89-4
2,4,6-trimethoxy-1,3,5-triazine

Conditions

Conditions	Yield
With sodium hydrogencarbonate In water; water-d2 at 40℃; Product distribution; influence of reaction conditions (base amount and temperature) on the yield of the products;

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

: 124-41-4
sodium methylate

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
at -30℃; Substitution;

: 67-56-1
methanol

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

NaHCO3 <2 mol>: NaHCO3 <2 mol>

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

: 132353-25-4
2-(4-methoxybenzoyloxy)-4,6-dimethoxy-1,3,5-triazine

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: palladium diacetate / acetonitrile / 10 h / 50 °C / Inert atmosphere 2: N,N-diethylaniline; trichlorophosphate / 3 h / Reflux View Scheme

2-Chloro-4,6-dimethoxy-1,3,5-triazine Chemical Properties

IUPAC Name: 2-Chloro-4,6-dimethoxy-1,3,5-triazine
Synonyms of 1,3,5-Triazine,2-chloro-4,6-dimethoxy- (CAS NO.3140-73-6): 2-Chloro-4,6-dimethoxy-1,3,5-triazine
CAS NO: 3140-73-6
Molecular Formula: C₅H₆ClN₃O₂
Molecular Weight: 175.573
Molecular Structure:
EINECS: 221-541-0
H bond acceptors: 5
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 57.13 Å²
Index of Refraction: 1.512
Molar Refractivity: 38.77 cm³
Molar Volume: 129 cm³
Surface Tension: 47.5 dyne/cm
Density: 1.36 g/cm³
Flash Point: 138.3 °C
Enthalpy of Vaporization: 52.37 kJ/mol
Boiling Point: 305.1 °C at 760 mmHg
Vapour Pressure: 0.00152 mmHg at 25°C
Melting Point: 71-74 °C(lit.)
Water Solubility: insoluble.
Appearance: white to almost white crystalline powder
Product Categories of 1,3,5-Triazine,2-chloro-4,6-dimethoxy- (CAS NO.3140-73-6): Starting Raw Materials & Intermediates;Miscellaneous;Biochemistry;Coupling Reactions (Peptide Synthesis);Peptide Synthesis;Halogenated Heterocycles;Heterocyclic Building Blocks;Triazines;TriazinesBuilding Blocks

2-Chloro-4,6-dimethoxy-1,3,5-triazine Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37: Wear suitable protective clothing and gloves.
WGK Germany: 3

2-Chloro-4,6-dimethoxy-1,3,5-triazine Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store 1,3,5-Triazine,2-chloro-4,6-dimethoxy- (CAS NO.3140-73-6) in a cool, dry place. Store in a tightly closed container.

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