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Propylene Glycol Alginate(PGA)

Cas No.: 9005-37-2 HS Code.: 130239 E No.: E405 Product Alias: Hydroxypropyl alginate, Propane 1,2-diol alginate

Categories: Thickeners

Propylene glycol alginate (PGA) is an emulsifier, stabilizer, and thickener used in food products. Propylene glycol alginate (PGA) is an emulsifier, stabilizer, and thickener used in food products. You can find premium suppliers that supply propylene glycol alginate on OKFoodAdd, the biggest online marketplace for food additive industry. The listed suppliers and prices are validated by native professional sourcing team members from China. You can send inquiries with confidence and get prompt responses.

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Propylene Glycol Alginate(PGA)

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60mesh 100-400mPa.s

Standard:Food Grade, Package: -- , Appearance: White or yellow powder







White to off-white powder


Viscosity (1%, mPa.s)

As per need


Particle size

95% pass 80 mesh


Degree of esterification (%)

≥ 80


loss on drying (105°C, 4h, %)



Total propylene glycol (%)

15- 45


Free propylene glycol (%)



Ash insolubles (%)



Arsenic (As)

≤3 mg/kg

<3 mg/kg

Lead (Pb)

≤5 mg/kg

<5 mg/kg

Mercury (Hg)

≤1 mg/kg

<1 mg/kg


≤1 mg/kg

<1 mg/kg

Heavy metals (as Pb)

≤20 mg/kg

<20 mg/kg

Total plate count (cfu/g)

≤ 5000


Yeast & mould (cfu/g)

≤ 500


Salmonella spp./ 10g



E. Coli/ 5g




Applications & Uses

Propylene glycol alginate (PGA) is an emulsifier, stabilizer, and thickener used in food products.


Dairy & Milk Additives, Beverage Additives

Storage & Handling Precautions


Propylene glycol alginate should be kept at room temperature in dry, cool, and shaded place with original packaging. Moisture should be avoided.

Handling Precaution:

Handling of propylene glycol alginate should only be performed by those who are well trained and familiar with chemicals. Avoid skin and eye contact and breathing in dust. Avoid handling which leads to dust formation.


Quality Control

At OKFoodAdd, we value the opportunity to provide the real suppliers and valid prices of food additives for global consumers. We base our decisions not only on food chemistry, but also ideology, philosophy, and a careful evaluation of the promise we’ve made to our consumers. The food additives listed on OKFoodAdd are strictly reviewed and conform to certain quality standards.

QAre you manufacturer of Propylene Glycol Alginate(PGA)?

No, OKFoodAdd does not manufacture Propylene Glycol Alginate(PGA). We have firm relationships with manufacturers and suppliers of Propylene Glycol Alginate(PGA) in China and our QC team will be glad to help you audit or inspect the manufacturers.

QDo you have Propylene Glycol Alginate(PGA) in stock?

After we receive your inquiry, your personal purchase agent will contact the manufacturers soon and make sure Propylene Glycol Alginate(PGA) is available to ship.

QWhat is the lead time for Propylene Glycol Alginate(PGA)?

If your required quantity is within the inventory limit, your order will be able to be shipped in one week; if the quantity is large, your purchase agent will negotiate prices and estimated delivery time with the manufacturer on your behalf.

QWhat is the MOQ of Propylene Glycol Alginate(PGA)?

According to different food ingredients and different manufacturers, the MOQ varies. Please consult online customer service or your personal purchase agent for more details.

QWhat is the price of Propylene Glycol Alginate(PGA)?

The prices you see in the product detail page are valid prices. Since the price of Propylene Glycol Alginate(PGA) fluctuates often, we recommend you confirm the prices with your personal purchase agent before placing orders.

QDo you provide free samples of Propylene Glycol Alginate(PGA)?

Yes, we provide free samples of Propylene Glycol Alginate(PGA). Please send inquiry to us or consult your personal purchase agent for more details.

QWhat kind of payment methods do you accept?

We accept payment methods including T/T, O/A, D/P, D/A, Credit, etc. Please consult your personal purchase agent for more details.

QHow long do you need to reply to my inquiry on Propylene Glycol Alginate(PGA)?

Normally, it takes 24 hours at most (except holidays).

QHow do I contact my personal purchase agent?

You can find the contact information in dashboard of your account center.

QIs the information of suppliers listed on OKFoodAdd reliable?

Yes, we guarantee the information is real and valid. We can also provide factory audit service for all suppliers listed on OKFooddAdd.

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