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American Chemical Society

EIN 52-6055670 · University Park, PA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong93 out of 100GovernanceWeak48 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

To provide a forum to exchange technical information and foster interactions in the materials science and engineering community. To reach across technical, generational, and national boundaries to create the premier home for polymer-based materials science and engineering research within the polymer science and engineering community.

Income
$381,215
Spending
$351,473
Spent on programs
63%
Reserves
112.1 months of spending
Largest source of income
donations and private grants, 65%
Employees
0
Volunteers
130

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 93 out of 100. Higher than 71% of charities in its peer group (science, $250k to $1m).

  • Reserves

    35 of 35

    Spendable reserves would cover 112.1 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 8% of income.

  • Income trend

    15 of 15

    Income rose 34% on the year before.

  • Spending floor

    8 of 15

    63% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Weak: 48 out of 100. Higher than 16% of charities in its peer group (science, $250k to $1m).

  • Independent board

    25 of 25

    106 of 106 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Independent check of accounts

    6 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. $9,172 spent. Collaboration to the chemistry community to advance our mission through grants to support polymer-related programming at Regional and International meetings not affiliated with the semi-annual ACS National Meetings, award programs for polymer scientists, and support for advancing education in polymer science.
  2. $57,850 spent. Collaborations to the chemistry community to advance our mission through grants to support polymer-related programming and student outreach at University chemistry and chemical engineering departments via student chapters and student/early career networking events at meetings
  3. $153,538 spent. Organize and host polymer-related symposia at semi-annual ACS National meetings. Expenses included speaker fees, travel expenses, and registration fees, audio visual support

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Worth knowing.

    Not individually listed by the IRS as eligible, which is usual for local chapters covered by a parent organization's exemption. The master file records contributions to it as deductible.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since May 1946.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.