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| CAS No.: | 6132-04-3 |
|---|---|
| Name: | Trisodium citrate dihydrate |
| Molecular Structure: | |
|
|
|
| Formula: | C6H9Na3O9 |
| Molecular Weight: | 294.101 |
| Synonyms: | 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, trisodium salt, dihydrate (9CI);Citric acid, trisodium salt,dihydrate (8CI);N 1560;Sodium citrate dihydrate; |
| EINECS: | 201-069-1 |
| Density: | 1.76 g/cm3 |
| Melting Point: | >300 °C(lit.) |
| Boiling Point: | 309.6 °C at 760 mmHg |
| Flash Point: | 155.2 °C |
| Solubility: | 720 g/L (25 °C) in water |
| Appearance: | white powder or colourless crystals |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 37/38-41-36/37/38 |
| Safety: | 26-36/37/39-24/25-36 |
| PSA: | 159.08000 |
| LogP: | -5.38120 |
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| Conditions | Yield |
|---|---|
| In water concentration of aq. soln. at 55°C, 8.6 Torr; pptn.; temp. must be >47°C;; centrifuging;; | |
| In water concentration of aq. soln. at 55°C, 8.6 Torr; pptn.; temp. must be >47°C;; centrifuging;; |
- 6858-44-2
citric acid ; trisodium-salt pentahydrate
A
- 7732-18-5
water
B
- 6132-04-3
trisodium citrate dihydrate
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating at temp. above 145°C;; | |
| In neat (no solvent) heating at temp. above 145°C;; |
- 6132-04-3
trisodium citrate dihydrate
| Conditions | Yield |
|---|---|
| In water crystn. from Na2HC6H5O7 soln. under ethanol at 23°C;; |
- 6132-04-3
trisodium citrate dihydrate
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: H2O; dehydration at 100°C;; | |
| In neat (no solvent) byproducts: H2O; dehydration at 100°C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating at temp. above 145°C;; | |
| In neat (no solvent) heating at temp. above 145°C;; |
- 117229-22-8
cis-α-dichloro(triethylenetetramine)cobalt(III) chloride
- 6132-04-3
trisodium citrate dihydrate
- 82621-19-0
β-[(citrato)(triethylenetetramine)cobalt(III)] pentahydrate
| Conditions | Yield |
|---|---|
| With (C2H5)3N; H2O In methanol ligand salt, complex and (C2H5)3N refluxed for 40 h in MeOH; evapd. (vac.), solids dissolved in H2O, chromd. (cation-exchange, H(1+)-form, aq. NH3), evapd. (vac.), recrystd. (H2O/MeOH) at 70°C, dried at 100°C overnight; elem. anal.; | 55.4% |
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cis,trans-2,5-dimethoxytetrahydrofuran
- 542-05-2
acetonedicarboxylic acid
- 75-04-7
ethylamine
- 6132-04-3
trisodium citrate dihydrate
- 3423-30-1
N-ethylnortropinone
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water | 46% |
- 542-05-2
acetonedicarboxylic acid
- 6132-04-3
trisodium citrate dihydrate
- 100-46-9
benzylamine
- 28957-72-4
N-benzyltropinone
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water | 44% |
- 75-31-0
isopropylamine
- 6132-04-3
trisodium citrate dihydrate
- 3423-28-7
8-aza-8-isopropyl-bicyclo<3.2.1>octan-3-one
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water | 40% |
- 542-05-2
acetonedicarboxylic acid
- 6132-04-3
trisodium citrate dihydrate
- 765-30-0
Cyclopropylamine
- 60206-33-9
8-cyclopropyl-8-azabicyclo-[3.2.1]-octan-3-one
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water | 33% |
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Specification
1. Introduction of Trisodium citrate dihydrate
Trisodium citrate dihydrate is also called citric acid trisodium salt dehydrate, it is the sodium salt of citric acid combined with 2 water molecules. The IUPAC name of Trisodium citrate dihydrate is trisodium 2-hydroxypropane-1,2,3-tricarboxylate dehydrate. It is white powder or colourless crystals,odorless and salty cool. And the product categories are inorganic & organic chemicals;food additives;food and feed additive.
2. Properties of Trisodium citrate dihydrate
Nominal Mass: 294 Da
Average Mass: 294.0996 Da
Monoisotopic Mass: 293.993967 Da
Flash Point: 155.2 °C
Enthalpy of Vaporization: 63.82 kJ/mol
Boiling Point: 309.6 °C at 760 mmHg
Storage temp: Store at RT.
Water Solubility: 720 g/L (25 ºC)
Merck: 14,8602
BRN: 6104939
Stability: Stable. Incompatible with bases, reducing agents, oxidizing agents.
Vapour Pressure: 5.73E-05 mmHg at 25°C
3. Structure Descriptors of Trisodium citrate dihydrate
InChI=1/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3
Smiles
O=C([O-])CC(C([O-])=O)(O)CC([O-])=O.[Na+].[Na+].[Na+].O.O
Classification Code: Alkalizer [systemic]
4. Safety Information of Trisodium citrate dihydrate
Hazard Codes: .gif){kind=small}
Xi
Risk Statements: 37/38-41-36/37/38
R37/38: Irritating to respiratory system and skin
R41: Risk of serious damage to the eyes
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36/37/39-24/25-36
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
S24/25: Avoid contact with skin and eyes
S36: Wear suitable protective clothing
WGK Germany: 1
RTECS: GE7810000
5. Use of Trisodium citrate dihydrate
Trisodium citrate dihydrate has a sour taste similar to citric acid, and is salty as well. It is often used as a food preservative, and as a flavoring in the food industry. In the pharmaceutical industry it is used to control pH. And trisodium citrate dihydrate may be used as an alkalizing agent, buffering agent, emulsifier, or sequestering agent. What’s more, it is used in nonhydrogen electroplation as well as widely in tail gas absorption process of sulfur dioxide for chemical and metallurgy industries. Its absorptivity reaches 99%. The waste absorbed may be regenerated into sulfur dioxide liquid and potassium citrate for cyclic utilization. The daily-use chemical detergent with potassium citrate. As raw material instead of sodium phosphate trimer, it is non-toxic and non-pollution.