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E631 Disodium Inosinate is the disodium salt of 5'-inosinic acid used in food and beverage applications as a flavor enhancer, and E631 Disodium Inosinate is valued for delivering strong umami synergy when combined with glutamates such as E621 Monosodium Glutamate.
E631 Disodium Inosinate intensifies savory flavor by enhancing meaty, brothy, and roasted notes, and E631 Disodium Inosinate is widely used in seasonings, soups, sauces, snacks, and processed foods where high-impact umami is desired.
E631 Disodium Inosinate is typically supplied as a white to off-white crystalline powder, and E631 Disodium Inosinate performance depends on dosage, solubility, pH, and the presence of glutamates and other nucleotides.
CAS Number: 4691-65-0
EC Number: 225-146-4
Molecular Formula: C10H11N4Na2O8P
Molecular Weight: 392.17 g/mol
Synonyms: E631 Disodium Inosinate, Disodium Inosinate, Disodium 5'-Inosinate, Disodium IMP, IMP-Na2, Inosine 5'-Monophosphate Disodium Salt, Disodium Inosine Monophosphate, Disodium Inosinic Acid Salt, Umami Nucleotide E631, Flavor Enhancer E631, E631, Disodium Inosinate Food Grade, E631 Disodium Inosinate, Disodium Inosinate, Sodium Inosinate, Disodium 5'-Inosinate, Sodium 5'-Inosinate, Inosine 5'-Monophosphate Disodium Salt, Inosine Monophosphate Disodium Salt, 5'-Inosinic Acid Disodium Salt, Inosinic Acid Disodium Salt, Disodium Inosine 5'-Monophosphate, Disodium IMP, IMP Disodium Salt, 5'-IMP Disodium Salt, E631 Sodium Inosinate, E631 Disodium 5'-Inosinate, E631 Inosine Monophosphate Disodium Salt, Disodium Inosinate Food Grade, Disodium Inosinate Food Additive, Disodium Inosinate Flavor Enhancer, Disodium Inosinate Taste Enhancer, Disodium Inosinate Umami Agent, Sodium Inosinate Flavor Enhancer, Sodium Inosinate Taste Enhancer, Sodium Inosinate Umami Seasoning, Disodium Inosinate Seasoning Ingredient, Disodium Inosinate Food Ingredient, Sodium Inosinate Food Ingredient, Disodium Inosinate Powder, Disodium Inosinate Crystals, Disodium Inosinate Granules, Sodium Inosinate Powder, Sodium Inosinate Crystals, Sodium Inosinate Granules, Disodium Inosinate Seasoning, Sodium Inosinate Seasoning, Disodium Inosinate Savory Flavor Agent, Disodium Inosinate Beverage Ingredient, Disodium Inosinate Processing Aid, Disodium Inosinate Nutritional Additive
APPLICATIONS
E631 Disodium Inosinate is used in seasoning blends to intensify umami and improve savory taste persistence.
E631 Disodium Inosinate is incorporated into bouillon cubes and powders to create rich meaty flavor impact at low dosage.
E631 Disodium Inosinate is used in soup and broth concentrates to strengthen savory notes and improve overall palatability.
E631 Disodium Inosinate is used in sauces such as gravies, meat sauces, and savory condiments to boost umami and enhance flavor depth.
E631 Disodium Inosinate is incorporated into soy-style sauces and marinades to increase meaty perception and reduce flat taste.
E631 Disodium Inosinate is used in tomato-based sauces to increase savory complexity and improve taste balance.
E631 Disodium Inosinate is used in snack seasonings to intensify roasted and cheese-like savory profiles.
E631 Disodium Inosinate is incorporated into chips and extruded snack coatings to improve umami impact and taste persistence.
E631 Disodium Inosinate is used in popcorn seasonings to create fuller savory flavor with reduced salt strategies in compatible systems.
E631 Disodium Inosinate is used in processed meats to enhance meaty flavor and improve taste uniformity in cooked products.
E631 Disodium Inosinate is incorporated into sausages and deli meats in selected formulations to strengthen savory notes.
E631 Disodium Inosinate is used in meat analog products to improve umami character and reduce blandness.
E631 Disodium Inosinate is used in seafood seasonings to enhance natural savory notes and improve taste balance.
E631 Disodium Inosinate is incorporated into fish paste and surimi seasonings to strengthen overall flavor.
E631 Disodium Inosinate is used in canned seafood and seafood sauces to improve savory intensity.
E631 Disodium Inosinate is widely used together with E627 Disodium Guanylate because the blend provides broad savory enhancement and strong synergy with glutamates in many seasoning systems.
E631 Disodium Inosinate is incorporated into instant noodle seasonings to enhance broth richness and increase overall taste satisfaction.
E631 Disodium Inosinate is valued because E631 Disodium Inosinate provides very strong umami synergy with glutamates, allowing lower overall flavor enhancer dosage while achieving high savory impact.
E631 Disodium inosinate is used as a flavor enhancer to increase umami intensity in foods.
E631 Disodium inosinate supports savory depth and fullness in soups and broths.
E631 Disodium inosinate helps strengthen meaty flavor perception when used appropriately.
E631 Disodium inosinate is used in seasoning systems to create strong umami synergy with glutamates.
E631 Disodium inosinate supports powerful taste enhancement when combined with E621 Monosodium glutamate.
E631 Disodium inosinate helps reduce the amount of glutamate needed to achieve target umami impact in some formulations.
E631 Disodium inosinate is used together with E627 Disodium guanylate as mixed nucleotides in many savory products.
E631 Disodium inosinate supports improved flavor roundness and long-lasting savory impact.
E631 Disodium inosinate helps provide high efficiency umami enhancement at very low dosage.
E631 Disodium inosinate is used in instant noodle seasonings to boost broth-like taste.
E631 Disodium inosinate supports strong savory notes in soup bases.
E631 Disodium inosinate helps improve consumer-perceived richness in instant foods.
E631 Disodium inosinate is used in snack seasonings to increase savory intensity.
E631 Disodium inosinate supports more rounded flavor in chips and extruded snacks.
E631 Disodium inosinate helps improve flavor linger and satisfaction in savory snacks.
E631 Disodium inosinate is used in bouillon cubes and powders to strengthen meat-like taste.
E631 Disodium inosinate supports umami backbone in stock formulations.
E631 Disodium inosinate helps improve flavor consistency across production batches.
E631 Disodium inosinate is used in canned soups to enhance savory taste and reduce blandness.
E631 Disodium inosinate supports improved flavor perception after thermal processing.
E631 Disodium inosinate helps maintain palatability over shelf life in shelf-stable soups.
E631 Disodium inosinate is used in sauces and gravies to deepen savory notes.
E631 Disodium inosinate supports richer taste in tomato-based sauces and meat sauces.
E631 Disodium inosinate helps round off harsh acidic notes by improving flavor balance.
E631 Disodium inosinate is used in savory dressings to boost umami in some formulations.
E631 Disodium inosinate supports fuller taste in creamy and oil-based dressings.
E631 Disodium inosinate helps improve flavor intensity in reduced-fat dressings in some designs.
E631 Disodium inosinate is used in processed meat products to enhance meaty flavor in some formulations.
E631 Disodium inosinate supports savory taste in sausages, patties, and deli meats.
E631 Disodium inosinate helps improve overall flavor acceptance in cooked meat products.
E631 Disodium inosinate is used in plant-based meat alternatives to boost savory and meat-like perception.
E631 Disodium inosinate supports umami taste that improves meat analog flavor profiles.
E631 Disodium inosinate helps mask vegetal notes in some plant protein systems.
E631 Disodium inosinate is used in vegan and vegetarian soups to create a more meat-like broth character.
E631 Disodium inosinate supports savory depth in mushroom and vegetable stocks.
E631 Disodium inosinate helps improve flavor satisfaction in meat-free products.
E631 Disodium inosinate is used in fermented foods and savory sauces to enhance umami in some formulations.
E631 Disodium inosinate supports taste reinforcement in soy sauce-type and fermented seasoning products.
E631 Disodium inosinate helps strengthen the savory profile in fermented recipes.
E631 Disodium inosinate is used in chicken and meat flavor systems to amplify natural meaty umami.
E631 Disodium inosinate supports strong roast and broth notes in seasoning blends.
E631 Disodium inosinate helps deliver more authentic meat taste in processed foods.
E631 Disodium inosinate is used in seafood-flavored products to enhance natural savory character.
E631 Disodium inosinate supports stronger fish and shellfish taste perception in soups and snacks.
E631 Disodium inosinate helps improve overall savory complexity in seafood seasonings.
E631 Disodium inosinate is used in tomato-based products to amplify umami and fullness.
E631 Disodium inosinate supports fuller taste in ketchup, pasta sauces, and tomato soups.
E631 Disodium inosinate helps improve flavor strength in lower-sugar or lower-salt tomato recipes.
E631 Disodium inosinate is used in spice rubs and marinades to enhance savory notes.
E631 Disodium inosinate supports deeper flavor in grilled and roasted products.
E631 Disodium inosinate helps improve flavor performance after cooking.
E631 Disodium inosinate is used in ready meals to restore savory taste after freezing or reheating.
E631 Disodium inosinate supports improved flavor perception in microwavable meals.
E631 Disodium inosinate helps maintain consistent taste across different heating conditions.
E631 Disodium inosinate is used in snack mixes to enhance savory taste and reduce flatness.
E631 Disodium inosinate supports a more rounded flavor profile in mixed-seasoning snacks.
E631 Disodium inosinate helps improve consumer liking in savory snack mixes.
E631 Disodium inosinate is used in reduced-sodium formulations to maintain savory intensity.
E631 Disodium inosinate supports sodium reduction by boosting perceived saltiness through umami synergy.
E631 Disodium inosinate helps maintain taste acceptance when salt is reduced.
E631 Disodium inosinate is used in culinary concentrates to deliver strong umami taste in small dosages.
E631 Disodium inosinate supports high flavor density in professional kitchen products.
E631 Disodium inosinate helps improve consistency of chef-style seasoning pastes.
E631 Disodium inosinate is used in catering and institutional foods to enhance taste in large-batch cooking.
E631 Disodium inosinate supports improved palatability in cost-controlled menus.
E631 Disodium inosinate helps improve acceptance of vegetable-heavy dishes.
E631 Disodium inosinate is used in pet food to enhance palatability in some formulations.
E631 Disodium inosinate supports improved aroma and taste acceptance in wet pet foods.
E631 Disodium inosinate helps improve intake in picky animals in some products.
E631 Disodium inosinate is used in animal feed additives in some formulations to improve flavor acceptance.
E631 Disodium inosinate supports better consumption of fortified feeds in some systems.
E631 Disodium inosinate helps reduce bitterness perception from added minerals in some feeds.
E631 Disodium inosinate is used in flavor houses to build nucleotide-based savory systems for different cuisines.
E631 Disodium inosinate supports formulation of chicken, beef, seafood, and vegetable umami profiles.
E631 Disodium inosinate helps standardize savory impact across regional flavor variants.
E631 Disodium inosinate is used in R&D to evaluate nucleotide synergy with glutamates across pH and processing conditions.
E631 Disodium inosinate supports sensory testing versus guanylate and mixed nucleotides.
E631 Disodium inosinate helps optimize dosage for maximum umami impact and cost efficiency.
E631 Disodium inosinate is used in manufacturing troubleshooting to correct weak savory flavor in processed foods.
E631 Disodium inosinate supports rapid flavor adjustment to meet target taste profiles.
E631 Disodium inosinate helps reduce reformulation time in savory product lines.
E631 Disodium inosinate is used in quality control to confirm additive levels and taste consistency in seasonings.
E631 Disodium inosinate supports specification checks for nucleotide content.
E631 Disodium inosinate helps ensure stable sensory performance across lots.
E631 Disodium inosinate is used in education and training as an example of umami nucleotides and taste synergy.
E631 Disodium inosinate supports teaching about 5’-nucleotides and glutamate synergy.
E631 Disodium inosinate helps illustrate why very small doses can strongly boost savory taste.
E631 Disodium inosinate is used in export seasoning products to maintain consistent savory impact through long logistics chains.
E631 Disodium inosinate supports stable shelf life performance in dry mixes.
E631 Disodium inosinate helps reduce customer complaints related to blandness variability.
E631 Disodium inosinate is used in product development to strengthen savory perception in low-meat or meat-free foods.
DESCRIPTION
E631 Disodium Inosinate is the disodium salt of 5'-inosinic acid, and E631 Disodium Inosinate is a 5'-ribonucleotide used in flavor systems for its potent umami synergy.
E631 Disodium Inosinate has limited umami effect alone, but E631 Disodium Inosinate strongly amplifies umami when combined with glutamate, producing a much stronger savory effect than either component alone.
E631 Disodium Inosinate is naturally present in meat and fish, and purified E631 Disodium Inosinate provides consistent performance for seasoning formulation.
E631 Disodium Inosinate is more soluble and easier to handle than the free acid form, and this is why E631 Disodium Inosinate is a common commercial form for inosinate flavor enhancement.
E631 Disodium Inosinate should be used according to applicable food additive regulations and good manufacturing practices for the target market.
E631 Disodium Inosinate should be dosed carefully because E631 Disodium Inosinate is highly potent in synergy systems and small dosage changes can significantly affect taste.
E631 Disodium Inosinate is typically supplied as a white to off-white crystalline powder, and moisture control is important to prevent caking and preserve flow.
E631 Disodium Inosinate should be protected from high humidity and excessive heat to maintain consistent performance.
E631 Disodium Inosinate is generally compatible with typical seasoning processes, but pH and ionic strength can affect solubility in some systems.
E631 Disodium inosinate is the sodium salt of inosinic acid (inosine monophosphate, a 5’-ribonucleotide) used as a flavor enhancer for umami taste.
E631 Disodium inosinate is typically supplied as a white crystalline powder with good water solubility.
E631 Disodium inosinate is used at very low levels because it has strong taste synergy with glutamates.
E631 Disodium inosinate delivers umami enhancement most effectively when combined with glutamic acid or glutamate salts.
E631 Disodium inosinate is commonly used together with E627 Disodium guanylate as mixed nucleotides in savory foods.
E631 Disodium inosinate is used in soups, seasonings, snacks, sauces, and processed foods to increase savory intensity.
E631 Disodium inosinate performance depends on formulation matrix, pH, salt balance, and processing conditions.
E631 Disodium inosinate should be stored in tightly closed containers in a cool, dry place to prevent moisture pickup and preserve quality.
E631 Disodium inosinate is valued for strong umami synergy, high efficiency at low dosage, and broad usefulness in savory flavor systems.
PROPERTIES
Chemical Formula: C10H11N4Na2O8P
Molecular Weight: 392.17 g/mol
Common Name: E631 Disodium Inosinate
Chemical Type: 5'-ribonucleotide salt; flavor enhancer; umami synergist
Appearance: White to off-white crystalline powder
Odor: Odorless
Taste: Mild alone; strong umami synergy with glutamates
Solubility: Soluble in water (pH and ionic strength dependent)
Stability: Stable under normal dry storage; sensitive to moisture and high humidity
Functional Effects: Umami enhancement; synergy with glutamates; taste rounding and savory depth
Storage Temperature: 15–30°C, tightly closed, dry
Shelf Life: Typically 24–48 months in original sealed packaging (supplier dependent)
FIRST AID
Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing dust during powder handling.
Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Seek medical attention if discomfort occurs.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves and safety glasses for bulk handling.
Avoid generating dust and avoid inhalation of fine powder.
Use clean, dry equipment to prevent moisture pickup and clumping.
Ventilation:
Use general ventilation for normal handling.
Use local exhaust where dust may be generated during powder transfer.
Minimize airborne particulate accumulation in enclosed areas.
Storage:
Store in tightly closed containers in a cool, dry place.
Protect from moisture to prevent caking and maintain potency and flow.
Keep away from strong odors and contaminants to preserve sensory neutrality.
Spill and Leak Procedures:
Sweep up spilled powder and avoid dust generation.
Collect into suitable containers for reuse or disposal according to local regulations.
Clean residues with water if needed and dry the area to prevent slip hazards.
Handling Precautions:
Formulate with glutamates because E631 Disodium Inosinate is most effective as an umami synergist rather than a standalone enhancer.
Optimize dosage carefully because small changes in E631 Disodium Inosinate can strongly affect savory intensity in synergy systems.
Rotate stock using FIFO practices to maintain consistent quality and predictable flavor enhancement performance.
