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Calcium 4-aminosalicylate

Also known as: Calcium para-aminosalicylate, Calcium bis(4-amino-2-hydroxybenzoate), Calcium p-aminosalicylate, 4-Aminosalicylic acid calcium salt, Benzoic acid, 4-amino-2-hydroxy-, calcium salt (2:1), 4-Amino-2-hydroxybenzoic acid calcium salt, Aminosalicylate calcium, UNII-73I4QDW01W, EINECS 205-095-4, MFCD04038035, Monocalcium p-aminosalicylate, Nippas Calcium, Calcium 4-aminosalicylate (anhydrous)

Calcium 4-aminosalicylate (CAS 133-15-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3.1/2Ca and a molecular weight of 508.50300 g/mol. Key properties include a melting point of 150-151ºC, with effervescence, a boiling point of 380.8ºC at 760 mmHg, a density of 1.491g/cm3 and a flash point of 184.1ºC. It is listed by 1 supplier, from 1.40 to 6.00 CNY. Record last updated Nov 2, 2026.

CAS No.
133-15-3
Jingsj CID
J-47463-4
Molecular Formula
C7H7NO312Ca
Molecular Weight
508.50300 g/mol
Category
Organic Acids
Last updated
11/2/2026
In Stock

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
99%
500g
¥700.00
$0.21 /gBest
¥1.40/g CNY
CN China
MOQ 500g
Made to Order
99%
100g
¥320.00
$0.48 /g
¥3.20/g CNY
CN China
MOQ 100g
In Stock
99%
25g
¥150.00
$0.9 /g
¥6.00/g CNY
CN China
MOQ 25g

Physicochemical Properties

Melting Point150-151ºC, with effervescence
Boiling Point380.8ºC at 760 mmHg
Density1.491g/cm3
Flash Point184.1ºC
Exact Mass344.032135
PSA145.10000
LogP2.35340

Activity & Biological Data

Additional Information[1]. Vânia André, et al. Crystal Forms of the Antibiotic 4-Aminosalicylic Acid: Solvates and Molecular Salts with Dioxane, Morpholine, and Piperazine. Cryst. Growth Des. 2009, 9, 12, 5108-5116.

Customs & Trade Information

HS Code2918230000
Summary2918230000 other esters of salicylic acid and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Calcium 4-aminosalicylate?

The CAS number of Calcium 4-aminosalicylate is 133-15-3.

What are the molecular formula and molecular weight of Calcium 4-aminosalicylate?

Calcium 4-aminosalicylate has molecular formula C7H7NO3.1/2Ca and molecular weight 508.50300 g/mol.

Which suppliers offer Calcium 4-aminosalicylate?

1 supplier(s) listed; reference unit price ¥1.40–6.00 /g.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Calcium 4-aminosalicylate (CAS 133-15-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47463-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.