Food grade MSG supplier
Qualify INS 621 identity, sodium glutamate content, rotation, loss on drying, clarity and elemental limits.
Food grade ingredient · Umami flavour enhancer · INS 621
Food Grade Monosodium Glutamate (MSG)
Food grade monosodium L-glutamate (MSG), INS 621, is the sodium salt of L-glutamic acid used as an umami flavour enhancer in suitable savoury foods and seasoning systems.
- CAS number
- 6106-04-3
- Food additive
- INS 621
- Formula
- C5H8NNaO4·H2O
- Commercial basis
- Specification-led
Share the application, critical limits, test methods, quantity, packing and destination.
GradeFood grade, subject to source qualification
PackingConfirm bag type, net weight and particle-size option
Container loadingConfirm against selected packing and destination
Batch evidenceCurrent specification and COA required
Direct product answer
What is food grade Monosodium Glutamate?
Food grade monosodium L-glutamate (MSG), INS 621, is the sodium salt of L-glutamic acid used as an umami flavour enhancer in suitable savoury foods and seasoning systems.
For procurement, “food grade” must be supported by a current source-specific specification, suitable manufacturing and quality documents, and a batch COA. Final use depends on the complete formulation, intended function and destination-market rules.
Buyer-intent guide
How to source food grade Monosodium Glutamate in bulk
Use these qualification points when comparing a China supplier, manufacturer source, distributor offer, bulk quotation or sample.
MSG E621 for seasoning blends
Provide seasoning composition, salt level, target flavor profile, particle-size need and mixing process.
Monosodium glutamate 99% bulk
State crystal grade or mesh, quantity, packing, destination, certificates and delivery terms.
MSG for instant noodles and snacks
Evaluate dissolution, particle match, sodium contribution and sensory performance in the complete seasoning.
Application screening
Food grade Monosodium Glutamate applications
These are application-screening areas, not universal approvals or dosage recommendations. Confirm legal use and performance in the finished food.
Seasoning blends
Adds umami impact and can help round out savoury flavor profiles in dry blends.
Soups, broths and sauces
Used in suitable recipes after sensory trials, sodium calculation and label review.
Instant noodles and snacks
May be incorporated into seasoning powders where particle size and blend uniformity are controlled.
Processed savoury foods
Can be evaluated in meat, seafood or vegetable-style formulations subject to market rules.
Supplied technical data
Food grade Monosodium Glutamate reference specification
The following values reproduce the technical information supplied in attachment 9. Particle size is not defined in the source and must be agreed before ordering.
| Test item | Supplied reference |
|---|---|
| Sodium glutamate | ≥ 99% |
| Particle size | Not specified in source |
| Transmittance | ≥ 98% |
| Specific rotation [alpha]D20 | +24.90 to +25.30 |
| Loss on drying | ≤ 1% |
| pH | 6.7–7.5 |
| Iron | ≤ 5 ppm |
| Sulfate | ≤ 0.05% |
| Arsenic | ≤ 0.5 ppm |
| Lead | ≤ 1 ppm |
| Zinc | ≤ 5 mg/kg |
Data note: The attachment shows particle size only as “***”. Specify mesh, crystal size distribution or visual grade as a contractual requirement if it matters to dosing, dissolution or appearance.
Technical selection
Questions to resolve before approving Monosodium Glutamate
Particle size
Define fine, regular or coarse crystal requirements using an agreed sieve method.
Flavor target
Run sensory trials in the finished recipe; MSG is not a substitute for balanced formulation.
Sodium accounting
Include MSG sodium contribution when reviewing nutrition and formulation targets.
Identity and purity
Check specific rotation, transmittance and impurity results on the current COA.
Qualification support
Documents and evidence to request
Product documents
Request the current signed specification or TDS, SDS, test methods, representative COA and batch COA.
Food qualification
Verify applicable food-safety, quality, Kosher, Halal and site documents for the exact grade and source.
Official identity reference
Review the FAO/JECFA monosodium L-glutamate record, then apply destination-market rules to the exact finished food.
Storage and handling
Protect Monosodium Glutamate in storage
- EnvironmentStore in a cool, dry and well-ventilated area in accordance with the current SDS.
- MoistureKeep containers tightly closed and protect packaging from water, humidity, contamination and damage.
- ControlsUse food-ingredient hygiene, lot traceability and stock rotation appropriate to the supplied shelf life.
Buyer questions
Food grade Monosodium Glutamate FAQ
What is food grade Monosodium Glutamate used for?
Monosodium Glutamate is used in suitable food processes for umami flavour enhancer functions. Legal use, dosage and performance must be confirmed for the exact food and destination market.
What are the CAS and food additive numbers for Monosodium Glutamate?
Monosodium Glutamate is identified here by CAS 6106-04-3 and INS 621. Confirm the identity and supplied form on the current specification.
What specification should a buyer request for Monosodium Glutamate?
Request the current signed specification, agreed test methods, representative COA and a current batch COA. Resolve every missing unit, comparator or particle-size requirement before approval.
How is food grade Monosodium Glutamate packed?
Confirm bag type, net weight and particle-size option. Confirm food-contact liner, palletization, marks and container loading in the quotation.
What should be included in a MSG RFQ?
Provide the food application, target standard and critical limits, quantity, packing, destination, certificates, Incoterm and requested delivery date.
Last reviewed 2026-07-25 by Bespring Chemical technical and export team.
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Specification-led sourcing
Request a food grade Monosodium Glutamate quote
Share the application, target grade and limits, quantity, packing, destination and required documents for a relevant bulk-supply proposal.